diff --git a/docs/scripting/api.rst b/docs/scripting/api.rst
index 59ef8d95d..e82afef4f 100644
--- a/docs/scripting/api.rst
+++ b/docs/scripting/api.rst
@@ -5,11 +5,11 @@ API
 ===
 
 - Errors
-    - `mitmproxy.models.flow.Error <#mitmproxy.models.flow.Error>`_
+    - `mitmproxy.flow.Error <#mitmproxy.flow.Error>`_
 - HTTP
-    - `mitmproxy.models.http.HTTPRequest <#mitmproxy.models.http.HTTPRequest>`_
-    - `mitmproxy.models.http.HTTPResponse <#mitmproxy.models.http.HTTPResponse>`_
-    - `mitmproxy.models.http.HTTPFlow <#mitmproxy.models.http.HTTPFlow>`_
+    - `mitmproxy.http.HTTPRequest <#mitmproxy.http.HTTPRequest>`_
+    - `mitmproxy.http.HTTPResponse <#mitmproxy.http.HTTPResponse>`_
+    - `mitmproxy.http.HTTPFlow <#mitmproxy.http.HTTPFlow>`_
 - Logging
     - `mitmproxy.log.Log <#mitmproxy.controller.Log>`_
     - `mitmproxy.log.LogEntry <#mitmproxy.controller.LogEntry>`_
@@ -18,19 +18,19 @@ API
 Errors
 ------
 
-.. autoclass:: mitmproxy.models.flow.Error
+.. autoclass:: mitmproxy.flow.Error
     :inherited-members:
 
 HTTP
 ----
 
-.. autoclass:: mitmproxy.models.http.HTTPRequest
+.. autoclass:: mitmproxy.http.HTTPRequest
     :inherited-members:
 
-.. autoclass:: mitmproxy.models.http.HTTPResponse
+.. autoclass:: mitmproxy.http.HTTPResponse
     :inherited-members:
 
-.. autoclass:: mitmproxy.models.http.HTTPFlow
+.. autoclass:: mitmproxy.http.HTTPFlow
     :inherited-members:
 
 Logging
diff --git a/examples/flowwriter.py b/examples/flowwriter.py
index afce85aa3..a9768542e 100644
--- a/examples/flowwriter.py
+++ b/examples/flowwriter.py
@@ -1,6 +1,6 @@
 import random
 import sys
-from mimtproxy import io
+from mitmproxy import io
 
 
 class Writer:
diff --git a/examples/redirect_requests.py b/examples/redirect_requests.py
index bbb84e2f1..c28042db1 100644
--- a/examples/redirect_requests.py
+++ b/examples/redirect_requests.py
@@ -1,7 +1,7 @@
 """
 This example shows two ways to redirect flows to other destinations.
 """
-from mitmproxy.models import HTTPResponse
+from mitmproxy import http
 
 
 def request(flow):
@@ -11,7 +11,7 @@ def request(flow):
 
     # Method 1: Answer with a locally generated response
     if flow.request.pretty_host.endswith("example.com"):
-        flow.response = HTTPResponse.make(200, b"Hello World", {"Content-Type": "text/html"})
+        flow.response = http.HTTPResponse.make(200, b"Hello World", {"Content-Type": "text/html"})
 
     # Method 2: Redirect the request to a different server
     if flow.request.pretty_host.endswith("example.org"):
diff --git a/mitmproxy/addons/clientplayback.py b/mitmproxy/addons/clientplayback.py
index 848d07c31..7f2b53ac6 100644
--- a/mitmproxy/addons/clientplayback.py
+++ b/mitmproxy/addons/clientplayback.py
@@ -3,7 +3,6 @@ from mitmproxy import ctx
 from mitmproxy import io
 
 
-
 class ClientPlayback:
     def __init__(self):
         self.flows = None
diff --git a/mitmproxy/addons/filestreamer.py b/mitmproxy/addons/filestreamer.py
index 552d936fd..031b44ab6 100644
--- a/mitmproxy/addons/filestreamer.py
+++ b/mitmproxy/addons/filestreamer.py
@@ -8,7 +8,7 @@ from mitmproxy import io
 class FileStreamer:
     def __init__(self):
         self.stream = None
-        self.active_flows = set()  # type: Set[models.Flow]
+        self.active_flows = set()  # type: Set[flow.Flow]
 
     def start_stream_to_path(self, path, mode, flt):
         path = os.path.expanduser(path)
diff --git a/mitmproxy/addons/state.py b/mitmproxy/addons/state.py
index bb7460b6f..ae7338ccd 100644
--- a/mitmproxy/addons/state.py
+++ b/mitmproxy/addons/state.py
@@ -3,12 +3,12 @@ from abc import abstractmethod, ABCMeta
 from typing import List  # noqa
 
 from mitmproxy import flowfilter
-from mitmproxy import models  # noqa
+from mitmproxy import flow  # noqa
 
 
 class FlowList(metaclass=ABCMeta):
     def __init__(self):
-        self._list = []  # type: List[models.Flow]
+        self._list = []  # type: List[flow.Flow]
 
     def __iter__(self):
         return iter(self._list)
diff --git a/mitmproxy/models/connections.py b/mitmproxy/connections.py
similarity index 100%
rename from mitmproxy/models/connections.py
rename to mitmproxy/connections.py
diff --git a/mitmproxy/console/__init__.py b/mitmproxy/console/__init__.py
deleted file mode 100644
index ae23c694c..000000000
--- a/mitmproxy/console/__init__.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from mitmproxy.console import master
-
-
-__all__ = ["master"]
diff --git a/mitmproxy/events.py b/mitmproxy/events.py
index 0e512aaec..56f1a45b8 100644
--- a/mitmproxy/events.py
+++ b/mitmproxy/events.py
@@ -1,5 +1,6 @@
 from mitmproxy import controller
-from mitmproxy import models
+from mitmproxy import http
+from mitmproxy import tcp
 
 Events = frozenset([
     "clientconnect",
@@ -34,7 +35,7 @@ Events = frozenset([
 
 
 def event_sequence(f):
-    if isinstance(f, models.HTTPFlow):
+    if isinstance(f, http.HTTPFlow):
         if f.request:
             yield "requestheaders", f
             yield "request", f
@@ -43,7 +44,7 @@ def event_sequence(f):
             yield "response", f
         if f.error:
             yield "error", f
-    elif isinstance(f, models.TCPFlow):
+    elif isinstance(f, tcp.TCPFlow):
         messages = f.messages
         f.messages = []
         f.reply = controller.DummyReply()
diff --git a/mitmproxy/models/flow.py b/mitmproxy/flow.py
similarity index 94%
rename from mitmproxy/models/flow.py
rename to mitmproxy/flow.py
index 2596165b2..13b852efb 100644
--- a/mitmproxy/models/flow.py
+++ b/mitmproxy/flow.py
@@ -3,8 +3,7 @@ import copy
 import uuid
 
 from mitmproxy import stateobject
-from mitmproxy.models.connections import ClientConnection
-from mitmproxy.models.connections import ServerConnection
+from mitmproxy import connections
 
 from netlib import version
 from typing import Optional  # noqa
@@ -68,8 +67,8 @@ class Flow(stateobject.StateObject):
     def __init__(
             self,
             type: str,
-            client_conn: ClientConnection,
-            server_conn: ServerConnection,
+            client_conn: connections.ClientConnection,
+            server_conn: connections.ServerConnection,
             live=None
     ):
         self.type = type
@@ -87,8 +86,8 @@ class Flow(stateobject.StateObject):
     _stateobject_attributes = dict(
         id=str,
         error=Error,
-        client_conn=ClientConnection,
-        server_conn=ServerConnection,
+        client_conn=connections.ClientConnection,
+        server_conn=connections.ServerConnection,
         type=str,
         intercepted=bool,
         marked=bool,
diff --git a/mitmproxy/flowfilter.py b/mitmproxy/flowfilter.py
index b63c27d92..f1454fd19 100644
--- a/mitmproxy/flowfilter.py
+++ b/mitmproxy/flowfilter.py
@@ -36,9 +36,9 @@ import re
 import sys
 import functools
 
-from mitmproxy.models.http import HTTPFlow
-from mitmproxy.models.tcp import TCPFlow
-from mitmproxy.models.flow import Flow
+from mitmproxy import http
+from mitmproxy import tcp
+from mitmproxy import flow
 
 from netlib import strutils
 
@@ -94,7 +94,7 @@ class FHTTP(_Action):
     code = "http"
     help = "Match HTTP flows"
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         return True
 
@@ -103,7 +103,7 @@ class FTCP(_Action):
     code = "tcp"
     help = "Match TCP flows"
 
-    @only(TCPFlow)
+    @only(tcp.TCPFlow)
     def __call__(self, f):
         return True
 
@@ -112,7 +112,7 @@ class FReq(_Action):
     code = "q"
     help = "Match request with no response"
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if not f.response:
             return True
@@ -122,7 +122,7 @@ class FResp(_Action):
     code = "s"
     help = "Match response"
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         return bool(f.response)
 
@@ -162,7 +162,7 @@ class FAsset(_Action):
     ]
     ASSET_TYPES = [re.compile(x) for x in ASSET_TYPES]
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if f.response:
             for i in self.ASSET_TYPES:
@@ -175,7 +175,7 @@ class FContentType(_Rex):
     code = "t"
     help = "Content-type header"
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if _check_content_type(self.re, f.request):
             return True
@@ -188,7 +188,7 @@ class FContentTypeRequest(_Rex):
     code = "tq"
     help = "Request Content-Type header"
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         return _check_content_type(self.re, f.request)
 
@@ -197,7 +197,7 @@ class FContentTypeResponse(_Rex):
     code = "ts"
     help = "Response Content-Type header"
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if f.response:
             return _check_content_type(self.re, f.response)
@@ -209,7 +209,7 @@ class FHead(_Rex):
     help = "Header"
     flags = re.MULTILINE
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if f.request and self.re.search(bytes(f.request.headers)):
             return True
@@ -223,7 +223,7 @@ class FHeadRequest(_Rex):
     help = "Request header"
     flags = re.MULTILINE
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if f.request and self.re.search(bytes(f.request.headers)):
             return True
@@ -234,7 +234,7 @@ class FHeadResponse(_Rex):
     help = "Response header"
     flags = re.MULTILINE
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if f.response and self.re.search(bytes(f.response.headers)):
             return True
@@ -245,16 +245,16 @@ class FBod(_Rex):
     help = "Body"
     flags = re.DOTALL
 
-    @only(HTTPFlow, TCPFlow)
+    @only(http.HTTPFlow, tcp.TCPFlow)
     def __call__(self, f):
-        if isinstance(f, HTTPFlow):
+        if isinstance(f, http.HTTPFlow):
             if f.request and f.request.raw_content:
                 if self.re.search(f.request.get_content(strict=False)):
                     return True
             if f.response and f.response.raw_content:
                 if self.re.search(f.response.get_content(strict=False)):
                     return True
-        elif isinstance(f, TCPFlow):
+        elif isinstance(f, tcp.TCPFlow):
             for msg in f.messages:
                 if self.re.search(msg.content):
                     return True
@@ -266,13 +266,13 @@ class FBodRequest(_Rex):
     help = "Request body"
     flags = re.DOTALL
 
-    @only(HTTPFlow, TCPFlow)
+    @only(http.HTTPFlow, tcp.TCPFlow)
     def __call__(self, f):
-        if isinstance(f, HTTPFlow):
+        if isinstance(f, http.HTTPFlow):
             if f.request and f.request.raw_content:
                 if self.re.search(f.request.get_content(strict=False)):
                     return True
-        elif isinstance(f, TCPFlow):
+        elif isinstance(f, tcp.TCPFlow):
             for msg in f.messages:
                 if msg.from_client and self.re.search(msg.content):
                     return True
@@ -283,13 +283,13 @@ class FBodResponse(_Rex):
     help = "Response body"
     flags = re.DOTALL
 
-    @only(HTTPFlow, TCPFlow)
+    @only(http.HTTPFlow, tcp.TCPFlow)
     def __call__(self, f):
-        if isinstance(f, HTTPFlow):
+        if isinstance(f, http.HTTPFlow):
             if f.response and f.response.raw_content:
                 if self.re.search(f.response.get_content(strict=False)):
                     return True
-        elif isinstance(f, TCPFlow):
+        elif isinstance(f, tcp.TCPFlow):
             for msg in f.messages:
                 if not msg.from_client and self.re.search(msg.content):
                     return True
@@ -300,7 +300,7 @@ class FMethod(_Rex):
     help = "Method"
     flags = re.IGNORECASE
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         return bool(self.re.search(f.request.data.method))
 
@@ -310,7 +310,7 @@ class FDomain(_Rex):
     help = "Domain"
     flags = re.IGNORECASE
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         return bool(self.re.search(f.request.data.host))
 
@@ -327,7 +327,7 @@ class FUrl(_Rex):
             toks = toks[1:]
         return klass(*toks)
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         return self.re.search(f.request.url)
 
@@ -360,7 +360,7 @@ class FCode(_Int):
     code = "c"
     help = "HTTP response code"
 
-    @only(HTTPFlow)
+    @only(http.HTTPFlow)
     def __call__(self, f):
         if f.response and f.response.status_code == self.num:
             return True
@@ -485,7 +485,7 @@ def _make():
 bnf = _make()
 
 
-TFilter = Callable[[Flow], bool]
+TFilter = Callable[[flow.Flow], bool]
 
 
 def parse(s: str) -> TFilter:
diff --git a/mitmproxy/models/http.py b/mitmproxy/http.py
similarity index 99%
rename from mitmproxy/models/http.py
rename to mitmproxy/http.py
index 91263b95f..7fe70f9bd 100644
--- a/mitmproxy/models/http.py
+++ b/mitmproxy/http.py
@@ -1,6 +1,6 @@
 import cgi
 
-from mitmproxy.models import flow
+from mitmproxy import flow
 from netlib import http
 from netlib import version
 from netlib import tcp
diff --git a/mitmproxy/io.py b/mitmproxy/io.py
index c1b7168b6..27ffa036d 100644
--- a/mitmproxy/io.py
+++ b/mitmproxy/io.py
@@ -2,11 +2,18 @@ import os
 
 from mitmproxy import exceptions
 from mitmproxy import flowfilter
-from mitmproxy import models
+from mitmproxy import http
+from mitmproxy import tcp
 from mitmproxy.contrib import tnetstring
 from mitmproxy import io_compat
 
 
+FLOW_TYPES = dict(
+    http=http.HTTPFlow,
+    tcp=tcp.TCPFlow,
+)
+
+
 class FlowWriter:
     def __init__(self, fo):
         self.fo = fo
@@ -31,9 +38,9 @@ class FlowReader:
                     data = io_compat.migrate_flow(data)
                 except ValueError as e:
                     raise exceptions.FlowReadException(str(e))
-                if data["type"] not in models.FLOW_TYPES:
+                if data["type"] not in FLOW_TYPES:
                     raise exceptions.FlowReadException("Unknown flow type: {}".format(data["type"]))
-                yield models.FLOW_TYPES[data["type"]].from_state(data)
+                yield FLOW_TYPES[data["type"]].from_state(data)
         except ValueError as e:
             if str(e) == "not a tnetstring: empty file":
                 return  # Error is due to EOF
diff --git a/mitmproxy/master.py b/mitmproxy/master.py
index dd98c04c1..672ff1e8c 100644
--- a/mitmproxy/master.py
+++ b/mitmproxy/master.py
@@ -9,12 +9,13 @@ from mitmproxy import options
 from mitmproxy import controller
 from mitmproxy import events
 from mitmproxy import exceptions
-from mitmproxy import models
+from mitmproxy import connections
+from mitmproxy import http
 from mitmproxy import log
 from mitmproxy import io
 from mitmproxy.protocol import http_replay
 from netlib import basethread
-from netlib import http
+import netlib.http
 
 from . import ctx as mitmproxy_ctx
 
@@ -117,13 +118,13 @@ class Master:
         """
             this method creates a new artificial and minimalist request also adds it to flowlist
         """
-        c = models.ClientConnection.make_dummy(("", 0))
-        s = models.ServerConnection.make_dummy((host, port))
+        c = connections.ClientConnection.make_dummy(("", 0))
+        s = connections.ServerConnection.make_dummy((host, port))
 
-        f = models.HTTPFlow(c, s)
-        headers = http.Headers()
+        f = http.HTTPFlow(c, s)
+        headers = netlib.http.Headers()
 
-        req = models.HTTPRequest(
+        req = http.HTTPRequest(
             "absolute",
             method,
             scheme,
@@ -142,7 +143,7 @@ class Master:
         """
         Loads a flow
         """
-        if isinstance(f, models.HTTPFlow):
+        if isinstance(f, http.HTTPFlow):
             if self.server and self.options.mode == "reverse":
                 f.request.host = self.server.config.upstream_server.address.host
                 f.request.port = self.server.config.upstream_server.address.port
diff --git a/mitmproxy/models/__init__.py b/mitmproxy/models/__init__.py
deleted file mode 100644
index 0dcc73a0d..000000000
--- a/mitmproxy/models/__init__.py
+++ /dev/null
@@ -1,23 +0,0 @@
-from netlib.http import decoded
-from .connections import ClientConnection, ServerConnection
-from .flow import Flow, Error
-from .http import (
-    HTTPFlow, HTTPRequest, HTTPResponse,
-    make_error_response, make_connect_request, make_connect_response, expect_continue_response
-)
-from .tcp import TCPFlow
-
-FLOW_TYPES = dict(
-    http=HTTPFlow,
-    tcp=TCPFlow,
-)
-
-__all__ = [
-    "HTTPFlow", "HTTPRequest", "HTTPResponse", "decoded",
-    "make_error_response", "make_connect_request",
-    "make_connect_response", "expect_continue_response",
-    "ClientConnection", "ServerConnection",
-    "Flow", "Error",
-    "TCPFlow",
-    "FLOW_TYPES",
-]
diff --git a/mitmproxy/protocol/base.py b/mitmproxy/protocol/base.py
index d280b69ca..53cfd1377 100644
--- a/mitmproxy/protocol/base.py
+++ b/mitmproxy/protocol/base.py
@@ -1,6 +1,6 @@
 import netlib.exceptions
 from mitmproxy import exceptions
-from mitmproxy import models
+from mitmproxy import connections
 
 
 class _LayerCodeCompletion:
@@ -16,9 +16,9 @@ class _LayerCodeCompletion:
         self.config = None
         """@type: mitmproxy.proxy.ProxyConfig"""
         self.client_conn = None
-        """@type: mitmproxy.models.ClientConnection"""
+        """@type: mitmproxy.connections.ClientConnection"""
         self.server_conn = None
-        """@type: mitmproxy.models.ServerConnection"""
+        """@type: mitmproxy.connections.ServerConnection"""
         self.channel = None
         """@type: mitmproxy.controller.Channel"""
         self.ctx = None
@@ -111,10 +111,10 @@ class ServerConnectionMixin:
 
         self.server_conn = None
         if self.config.options.spoof_source_address:
-            self.server_conn = models.ServerConnection(
+            self.server_conn = connections.ServerConnection(
                 server_address, (self.ctx.client_conn.address.host, 0), True)
         else:
-            self.server_conn = models.ServerConnection(
+            self.server_conn = connections.ServerConnection(
                 server_address, (self.config.options.listen_host, 0))
 
         self.__check_self_connect()
@@ -157,7 +157,7 @@ class ServerConnectionMixin:
         self.server_conn.close()
         self.channel.tell("serverdisconnect", self.server_conn)
 
-        self.server_conn = models.ServerConnection(
+        self.server_conn = connections.ServerConnection(
             address,
             (self.server_conn.source_address.host, 0),
             self.config.options.spoof_source_address
diff --git a/mitmproxy/protocol/http.py b/mitmproxy/protocol/http.py
index b9abfb4c3..325bf815f 100644
--- a/mitmproxy/protocol/http.py
+++ b/mitmproxy/protocol/http.py
@@ -3,10 +3,11 @@ import netlib.exceptions
 import time
 import traceback
 from mitmproxy import exceptions
-from mitmproxy import models
+from mitmproxy import http
+from mitmproxy import flow
 from mitmproxy.protocol import base
 from mitmproxy.protocol import websockets as pwebsockets
-from netlib import http
+import netlib.http
 from netlib import tcp
 from netlib import websockets
 
@@ -55,7 +56,7 @@ class _HttpTransmissionLayer(base.Layer):
     def send_response_body(self, response, chunks):
         raise NotImplementedError()
 
-    def check_close_connection(self, flow):
+    def check_close_connection(self, f):
         raise NotImplementedError()
 
 
@@ -140,9 +141,9 @@ class HttpLayer(base.Layer):
             self.__initial_server_tls = self.server_tls
             self.__initial_server_conn = self.server_conn
         while True:
-            flow = models.HTTPFlow(self.client_conn, self.server_conn, live=self)
+            f = http.HTTPFlow(self.client_conn, self.server_conn, live=self)
             try:
-                request = self.get_request_from_client(flow)
+                request = self.get_request_from_client(f)
                 # Make sure that the incoming request matches our expectations
                 self.validate_request(request)
             except netlib.exceptions.HttpReadDisconnect:
@@ -165,7 +166,7 @@ class HttpLayer(base.Layer):
             if not (self.http_authenticated or self.authenticate(request)):
                 return
 
-            flow.request = request
+            f.request = request
 
             try:
                 # Regular Proxy Mode: Handle CONNECT
@@ -176,74 +177,74 @@ class HttpLayer(base.Layer):
                 # HTTPS tasting means that ordinary errors like resolution and
                 # connection errors can happen here.
                 self.send_error_response(502, repr(e))
-                flow.error = models.Error(str(e))
-                self.channel.ask("error", flow)
+                f.error = flow.Error(str(e))
+                self.channel.ask("error", f)
                 return
 
             # update host header in reverse proxy mode
             if self.config.options.mode == "reverse":
-                flow.request.headers["Host"] = self.config.upstream_server.address.host
+                f.request.headers["Host"] = self.config.upstream_server.address.host
 
             # set upstream auth
             if self.mode == "upstream" and self.config.upstream_auth is not None:
-                flow.request.headers["Proxy-Authorization"] = self.config.upstream_auth
-            self.process_request_hook(flow)
+                f.request.headers["Proxy-Authorization"] = self.config.upstream_auth
+            self.process_request_hook(f)
 
             try:
                 if websockets.check_handshake(request.headers) and websockets.check_client_version(request.headers):
                     # We only support RFC6455 with WebSockets version 13
                     # allow inline scripts to manipulate the client handshake
-                    self.channel.ask("websocket_handshake", flow)
+                    self.channel.ask("websocket_handshake", f)
 
-                if not flow.response:
+                if not f.response:
                     self.establish_server_connection(
-                        flow.request.host,
-                        flow.request.port,
-                        flow.request.scheme
+                        f.request.host,
+                        f.request.port,
+                        f.request.scheme
                     )
-                    self.get_response_from_server(flow)
+                    self.get_response_from_server(f)
                 else:
                     # response was set by an inline script.
                     # we now need to emulate the responseheaders hook.
-                    self.channel.ask("responseheaders", flow)
+                    self.channel.ask("responseheaders", f)
 
-                self.log("response", "debug", [repr(flow.response)])
-                self.channel.ask("response", flow)
-                self.send_response_to_client(flow)
+                self.log("response", "debug", [repr(f.response)])
+                self.channel.ask("response", f)
+                self.send_response_to_client(f)
 
-                if self.check_close_connection(flow):
+                if self.check_close_connection(f):
                     return
 
                 # Handle 101 Switching Protocols
-                if flow.response.status_code == 101:
-                    return self.handle_101_switching_protocols(flow)
+                if f.response.status_code == 101:
+                    return self.handle_101_switching_protocols(f)
 
                 # Upstream Proxy Mode: Handle CONNECT
-                if flow.request.first_line_format == "authority" and flow.response.status_code == 200:
-                    self.handle_upstream_mode_connect(flow.request.copy())
+                if f.request.first_line_format == "authority" and f.response.status_code == 200:
+                    self.handle_upstream_mode_connect(f.request.copy())
                     return
 
             except (exceptions.ProtocolException, netlib.exceptions.NetlibException) as e:
                 self.send_error_response(502, repr(e))
-                if not flow.response:
-                    flow.error = models.Error(str(e))
-                    self.channel.ask("error", flow)
+                if not f.response:
+                    f.error = flow.Error(str(e))
+                    self.channel.ask("error", f)
                     return
                 else:
                     raise exceptions.ProtocolException(
                         "Error in HTTP connection: %s" % repr(e)
                     )
             finally:
-                if flow:
-                    flow.live = False
+                if f:
+                    f.live = False
 
-    def get_request_from_client(self, flow):
+    def get_request_from_client(self, f):
         request = self.read_request()
-        flow.request = request
-        self.channel.ask("requestheaders", flow)
+        f.request = request
+        self.channel.ask("requestheaders", f)
         if request.headers.get("expect", "").lower() == "100-continue":
             # TODO: We may have to use send_response_headers for HTTP2 here.
-            self.send_response(models.expect_continue_response)
+            self.send_response(http.expect_continue_response)
             request.headers.pop("expect")
             request.body = b"".join(self.read_request_body(request))
             request.timestamp_end = time.time()
@@ -251,7 +252,7 @@ class HttpLayer(base.Layer):
 
     def send_error_response(self, code, message, headers=None):
         try:
-            response = models.make_error_response(code, message, headers)
+            response = http.make_error_response(code, message, headers)
             self.send_response(response)
         except (netlib.exceptions.NetlibException, h2.exceptions.H2Error, exceptions.Http2ProtocolException):
             self.log(traceback.format_exc(), "debug")
@@ -265,7 +266,7 @@ class HttpLayer(base.Layer):
     def handle_regular_mode_connect(self, request):
         self.http_authenticated = True
         self.set_server((request.host, request.port))
-        self.send_response(models.make_connect_response(request.data.http_version))
+        self.send_response(http.make_connect_response(request.data.http_version))
         layer = self.ctx.next_layer(self)
         layer()
 
@@ -273,29 +274,29 @@ class HttpLayer(base.Layer):
         layer = UpstreamConnectLayer(self, connect_request)
         layer()
 
-    def send_response_to_client(self, flow):
-        if not flow.response.stream:
+    def send_response_to_client(self, f):
+        if not f.response.stream:
             # no streaming:
             # we already received the full response from the server and can
             # send it to the client straight away.
-            self.send_response(flow.response)
+            self.send_response(f.response)
         else:
             # streaming:
             # First send the headers and then transfer the response incrementally
-            self.send_response_headers(flow.response)
+            self.send_response_headers(f.response)
             chunks = self.read_response_body(
-                flow.request,
-                flow.response
+                f.request,
+                f.response
             )
-            if callable(flow.response.stream):
-                chunks = flow.response.stream(chunks)
-            self.send_response_body(flow.response, chunks)
-            flow.response.timestamp_end = time.time()
+            if callable(f.response.stream):
+                chunks = f.response.stream(chunks)
+            self.send_response_body(f.response, chunks)
+            f.response.timestamp_end = time.time()
 
-    def get_response_from_server(self, flow):
+    def get_response_from_server(self, f):
         def get_response():
-            self.send_request(flow.request)
-            flow.response = self.read_response_headers()
+            self.send_request(f.request)
+            f.response = self.read_response_headers()
 
         try:
             get_response()
@@ -325,23 +326,23 @@ class HttpLayer(base.Layer):
             get_response()
 
         # call the appropriate script hook - this is an opportunity for an
-        # inline script to set flow.stream = True
-        self.channel.ask("responseheaders", flow)
+        # inline script to set f.stream = True
+        self.channel.ask("responseheaders", f)
 
-        if flow.response.stream:
-            flow.response.data.content = None
+        if f.response.stream:
+            f.response.data.content = None
         else:
-            flow.response.data.content = b"".join(self.read_response_body(
-                flow.request,
-                flow.response
+            f.response.data.content = b"".join(self.read_response_body(
+                f.request,
+                f.response
             ))
-        flow.response.timestamp_end = time.time()
+        f.response.timestamp_end = time.time()
 
         # no further manipulation of self.server_conn beyond this point
         # we can safely set it as the final attribute value here.
-        flow.server_conn = self.server_conn
+        f.server_conn = self.server_conn
 
-    def process_request_hook(self, flow):
+    def process_request_hook(self, f):
         # Determine .scheme, .host and .port attributes for inline scripts.
         # For absolute-form requests, they are directly given in the request.
         # For authority-form requests, we only need to determine the request scheme.
@@ -353,13 +354,13 @@ class HttpLayer(base.Layer):
             pass
         else:
             # Setting request.host also updates the host header, which we want to preserve
-            host_header = flow.request.headers.get("host", None)
-            flow.request.host = self.__initial_server_conn.address.host
-            flow.request.port = self.__initial_server_conn.address.port
+            host_header = f.request.headers.get("host", None)
+            f.request.host = self.__initial_server_conn.address.host
+            f.request.port = self.__initial_server_conn.address.port
             if host_header:
-                flow.request.headers["host"] = host_header
-            flow.request.scheme = "https" if self.__initial_server_tls else "http"
-        self.channel.ask("request", flow)
+                f.request.headers["host"] = host_header
+            f.request.scheme = "https" if self.__initial_server_tls else "http"
+        self.channel.ask("request", f)
 
     def establish_server_connection(self, host, port, scheme):
         address = tcp.Address((host, port))
@@ -419,29 +420,29 @@ class HttpLayer(base.Layer):
                 self.config.authenticator.clean(request.headers)
             else:
                 if self.mode == "transparent":
-                    self.send_response(models.make_error_response(
+                    self.send_response(http.make_error_response(
                         401,
                         "Authentication Required",
-                        http.Headers(**self.config.authenticator.auth_challenge_headers())
+                        netlib.http.Headers(**self.config.authenticator.auth_challenge_headers())
                     ))
                 else:
-                    self.send_response(models.make_error_response(
+                    self.send_response(http.make_error_response(
                         407,
                         "Proxy Authentication Required",
-                        http.Headers(**self.config.authenticator.auth_challenge_headers())
+                        netlib.http.Headers(**self.config.authenticator.auth_challenge_headers())
                     ))
                 return False
         return True
 
-    def handle_101_switching_protocols(self, flow):
+    def handle_101_switching_protocols(self, f):
         """
         Handle a successful HTTP 101 Switching Protocols Response, received after e.g. a WebSocket upgrade request.
         """
         # Check for WebSockets handshake
         is_websockets = (
-            flow and
-            websockets.check_handshake(flow.request.headers) and
-            websockets.check_handshake(flow.response.headers)
+            f and
+            websockets.check_handshake(f.request.headers) and
+            websockets.check_handshake(f.response.headers)
         )
         if is_websockets and not self.config.options.websockets:
             self.log(
@@ -450,7 +451,7 @@ class HttpLayer(base.Layer):
             )
 
         if is_websockets and self.config.options.websockets:
-            layer = pwebsockets.WebSocketsLayer(self, flow)
+            layer = pwebsockets.WebSocketsLayer(self, f)
         else:
             layer = self.ctx.next_layer(self)
 
diff --git a/mitmproxy/protocol/http1.py b/mitmproxy/protocol/http1.py
index 46839c58b..c00848042 100644
--- a/mitmproxy/protocol/http1.py
+++ b/mitmproxy/protocol/http1.py
@@ -1,16 +1,16 @@
-from mitmproxy import models
-from mitmproxy.protocol import http
+from mitmproxy import http
+from mitmproxy.protocol import http as httpbase
 from netlib.http import http1
 
 
-class Http1Layer(http._HttpTransmissionLayer):
+class Http1Layer(httpbase._HttpTransmissionLayer):
 
     def __init__(self, ctx, mode):
         super().__init__(ctx)
         self.mode = mode
 
     def read_request_headers(self):
-        return models.HTTPRequest.wrap(
+        return http.HTTPRequest.wrap(
             http1.read_request_head(self.client_conn.rfile)
         )
 
@@ -28,7 +28,7 @@ class Http1Layer(http._HttpTransmissionLayer):
 
     def read_response_headers(self):
         resp = http1.read_response_head(self.server_conn.rfile)
-        return models.HTTPResponse.wrap(resp)
+        return http.HTTPResponse.wrap(resp)
 
     def read_response_body(self, request, response):
         expected_size = http1.expected_http_body_size(request, response)
@@ -68,5 +68,5 @@ class Http1Layer(http._HttpTransmissionLayer):
         return close_connection
 
     def __call__(self):
-        layer = http.HttpLayer(self, self.mode)
+        layer = httpbase.HttpLayer(self, self.mode)
         layer()
diff --git a/mitmproxy/protocol/http2.py b/mitmproxy/protocol/http2.py
index 04d2b6081..a3ec03f4e 100644
--- a/mitmproxy/protocol/http2.py
+++ b/mitmproxy/protocol/http2.py
@@ -10,9 +10,9 @@ import queue
 
 import netlib.exceptions
 from mitmproxy import exceptions
-from mitmproxy import models
+from mitmproxy import http
 from mitmproxy.protocol import base
-from mitmproxy.protocol import http
+from mitmproxy.protocol import http as httpbase
 import netlib.http
 from netlib import tcp
 from netlib import basethread
@@ -358,7 +358,7 @@ def detect_zombie_stream(func):
     return wrapper
 
 
-class Http2SingleStreamLayer(http._HttpTransmissionLayer, basethread.BaseThread):
+class Http2SingleStreamLayer(httpbase._HttpTransmissionLayer, basethread.BaseThread):
 
     def __init__(self, ctx, h2_connection, stream_id, request_headers):
         super().__init__(
@@ -451,7 +451,7 @@ class Http2SingleStreamLayer(http._HttpTransmissionLayer, basethread.BaseThread)
         self.request_arrived.wait()
         self.raise_zombie()
         first_line_format, method, scheme, host, port, path = http2.parse_headers(self.request_headers)
-        return models.HTTPRequest(
+        return http.HTTPRequest(
             first_line_format,
             method,
             scheme,
@@ -547,7 +547,7 @@ class Http2SingleStreamLayer(http._HttpTransmissionLayer, basethread.BaseThread)
         headers = self.response_headers.copy()
         headers.pop(":status", None)
 
-        return models.HTTPResponse(
+        return http.HTTPResponse(
             http_version=b"HTTP/2.0",
             status_code=status_code,
             reason=b'',
@@ -597,7 +597,7 @@ class Http2SingleStreamLayer(http._HttpTransmissionLayer, basethread.BaseThread)
         raise EnvironmentError('Http2SingleStreamLayer must be run as thread')
 
     def run(self):
-        layer = http.HttpLayer(self, self.mode)
+        layer = httpbase.HttpLayer(self, self.mode)
 
         try:
             layer()
diff --git a/mitmproxy/protocol/http_replay.py b/mitmproxy/protocol/http_replay.py
index 6f9340b5c..952c18176 100644
--- a/mitmproxy/protocol/http_replay.py
+++ b/mitmproxy/protocol/http_replay.py
@@ -1,9 +1,12 @@
 import traceback
 
 import netlib.exceptions
+from mitmproxy import log
 from mitmproxy import controller
 from mitmproxy import exceptions
-from mitmproxy import models
+from mitmproxy import http
+from mitmproxy import flow
+from mitmproxy import connections
 from netlib.http import http1
 from netlib import basethread
 
@@ -14,42 +17,42 @@ from netlib import basethread
 class RequestReplayThread(basethread.BaseThread):
     name = "RequestReplayThread"
 
-    def __init__(self, config, flow, event_queue, should_exit):
+    def __init__(self, config, f, event_queue, should_exit):
         """
             event_queue can be a queue or None, if no scripthooks should be
             processed.
         """
-        self.config, self.flow = config, flow
-        flow.live = True
+        self.config, self.f = config, f
+        f.live = True
         if event_queue:
             self.channel = controller.Channel(event_queue, should_exit)
         else:
             self.channel = None
         super().__init__(
-            "RequestReplay (%s)" % flow.request.url
+            "RequestReplay (%s)" % f.request.url
         )
 
     def run(self):
-        r = self.flow.request
+        r = self.f.request
         first_line_format_backup = r.first_line_format
         server = None
         try:
-            self.flow.response = None
+            self.f.response = None
 
             # If we have a channel, run script hooks.
             if self.channel:
-                request_reply = self.channel.ask("request", self.flow)
-                if isinstance(request_reply, models.HTTPResponse):
-                    self.flow.response = request_reply
+                request_reply = self.channel.ask("request", self.f)
+                if isinstance(request_reply, http.HTTPResponse):
+                    self.f.response = request_reply
 
-            if not self.flow.response:
+            if not self.f.response:
                 # In all modes, we directly connect to the server displayed
                 if self.config.options.mode == "upstream":
                     server_address = self.config.upstream_server.address
-                    server = models.ServerConnection(server_address, (self.config.options.listen_host, 0))
+                    server = connections.ServerConnection(server_address, (self.config.options.listen_host, 0))
                     server.connect()
                     if r.scheme == "https":
-                        connect_request = models.make_connect_request((r.data.host, r.port))
+                        connect_request = http.make_connect_request((r.data.host, r.port))
                         server.wfile.write(http1.assemble_request(connect_request))
                         server.wfile.flush()
                         resp = http1.read_response(
@@ -61,46 +64,57 @@ class RequestReplayThread(basethread.BaseThread):
                             raise exceptions.ReplayException("Upstream server refuses CONNECT request")
                         server.establish_ssl(
                             self.config.clientcerts,
-                            sni=self.flow.server_conn.sni
+                            sni=self.f.server_conn.sni
                         )
                         r.first_line_format = "relative"
                     else:
                         r.first_line_format = "absolute"
                 else:
                     server_address = (r.host, r.port)
-                    server = models.ServerConnection(server_address, (self.config.options.listen_host, 0))
+                    server = connections.ServerConnection(
+                        server_address,
+                        (self.config.options.listen_host, 0)
+                    )
                     server.connect()
                     if r.scheme == "https":
                         server.establish_ssl(
                             self.config.clientcerts,
-                            sni=self.flow.server_conn.sni
+                            sni=self.f.server_conn.sni
                         )
                     r.first_line_format = "relative"
 
                 server.wfile.write(http1.assemble_request(r))
                 server.wfile.flush()
-                self.flow.server_conn = server
-                self.flow.response = models.HTTPResponse.wrap(http1.read_response(
-                    server.rfile,
-                    r,
-                    body_size_limit=self.config.options.body_size_limit
-                ))
+                self.f.server_conn = server
+                self.f.response = http.HTTPResponse.wrap(
+                    http1.read_response(
+                        server.rfile,
+                        r,
+                        body_size_limit=self.config.options.body_size_limit
+                    )
+                )
             if self.channel:
-                response_reply = self.channel.ask("response", self.flow)
+                response_reply = self.channel.ask("response", self.f)
                 if response_reply == exceptions.Kill:
                     raise exceptions.Kill()
         except (exceptions.ReplayException, netlib.exceptions.NetlibException) as e:
-            self.flow.error = models.Error(str(e))
+            self.f.error = flow.Error(str(e))
             if self.channel:
-                self.channel.ask("error", self.flow)
+                self.channel.ask("error", self.f)
         except exceptions.Kill:
             # Kill should only be raised if there's a channel in the
             # first place.
-            self.channel.tell("log", controller.LogEntry("Connection killed", "info"))
+            self.channel.tell(
+                "log",
+                log.LogEntry("Connection killed", "info")
+            )
         except Exception:
-            self.channel.tell("log", controller.LogEntry(traceback.format_exc(), "error"))
+            self.channel.tell(
+                "log",
+                log.LogEntry(traceback.format_exc(), "error")
+            )
         finally:
             r.first_line_format = first_line_format_backup
-            self.flow.live = False
+            self.f.live = False
             if server:
                 server.finish()
diff --git a/mitmproxy/protocol/rawtcp.py b/mitmproxy/protocol/rawtcp.py
index de9f3c246..3bd7b162e 100644
--- a/mitmproxy/protocol/rawtcp.py
+++ b/mitmproxy/protocol/rawtcp.py
@@ -4,8 +4,8 @@ from OpenSSL import SSL
 
 import netlib.exceptions
 import netlib.tcp
-from mitmproxy import models
-from mitmproxy.models import tcp
+from mitmproxy import tcp
+from mitmproxy import flow
 from mitmproxy.protocol import base
 
 
@@ -20,8 +20,8 @@ class RawTCPLayer(base.Layer):
         self.connect()
 
         if not self.ignore:
-            flow = models.TCPFlow(self.client_conn, self.server_conn, self)
-            self.channel.ask("tcp_start", flow)
+            f = tcp.TCPFlow(self.client_conn, self.server_conn, self)
+            self.channel.ask("tcp_start", f)
 
         buf = memoryview(bytearray(self.chunk_size))
 
@@ -52,14 +52,14 @@ class RawTCPLayer(base.Layer):
 
                     tcp_message = tcp.TCPMessage(dst == server, buf[:size].tobytes())
                     if not self.ignore:
-                        flow.messages.append(tcp_message)
-                        self.channel.ask("tcp_message", flow)
+                        f.messages.append(tcp_message)
+                        self.channel.ask("tcp_message", f)
                     dst.sendall(tcp_message.content)
 
         except (socket.error, netlib.exceptions.TcpException, SSL.Error) as e:
             if not self.ignore:
-                flow.error = models.Error("TCP connection closed unexpectedly: {}".format(repr(e)))
-                self.channel.tell("tcp_error", flow)
+                f.error = flow.Error("TCP connection closed unexpectedly: {}".format(repr(e)))
+                self.channel.tell("tcp_error", f)
         finally:
             if not self.ignore:
-                self.channel.tell("tcp_end", flow)
+                self.channel.tell("tcp_end", f)
diff --git a/mitmproxy/protocol/tls.py b/mitmproxy/protocol/tls.py
index 265e90869..b287bb51d 100644
--- a/mitmproxy/protocol/tls.py
+++ b/mitmproxy/protocol/tls.py
@@ -224,7 +224,7 @@ def get_client_hello(client_conn):
     Peek into the socket and read all records that contain the initial client hello message.
 
     client_conn:
-        The :py:class:`client connection <mitmproxy.models.ClientConnection>`.
+        The :py:class:`client connection <mitmproxy.connections.ClientConnection>`.
 
     Returns:
         The raw handshake packet bytes, without TLS record header(s).
@@ -281,7 +281,7 @@ class TlsClientHello:
         """
         Peek into the connection, read the initial client hello and parse it to obtain ALPN values.
         client_conn:
-            The :py:class:`client connection <mitmproxy.models.ClientConnection>`.
+            The :py:class:`client connection <mitmproxy.connections.ClientConnection>`.
         Returns:
             :py:class:`client hello <mitmproxy.protocol.tls.TlsClientHello>`.
         """
diff --git a/mitmproxy/proxy/root_context.py b/mitmproxy/proxy/root_context.py
index 8064f12df..fa4fae478 100644
--- a/mitmproxy/proxy/root_context.py
+++ b/mitmproxy/proxy/root_context.py
@@ -13,7 +13,7 @@ class RootContext:
 
     Attributes:
         client_conn:
-            The :py:class:`client connection <mitmproxy.models.ClientConnection>`.
+            The :py:class:`client connection <mitmproxy.connections.ClientConnection>`.
         channel:
             A :py:class:`~mitmproxy.controller.Channel` to communicate with the FlowMaster.
             Provides :py:meth:`.ask() <mitmproxy.controller.Channel.ask>` and
diff --git a/mitmproxy/proxy/server.py b/mitmproxy/proxy/server.py
index c2a6a5c3e..b876f9ce5 100644
--- a/mitmproxy/proxy/server.py
+++ b/mitmproxy/proxy/server.py
@@ -4,7 +4,8 @@ import traceback
 
 import netlib.exceptions
 from mitmproxy import exceptions
-from mitmproxy import models
+from mitmproxy import connections
+from mitmproxy import http
 from mitmproxy import log
 from mitmproxy.proxy import modes
 from mitmproxy.proxy import root_context
@@ -66,7 +67,7 @@ class ConnectionHandler:
     def __init__(self, client_conn, client_address, config, channel):
         self.config = config
         """@type: mitmproxy.proxy.config.ProxyConfig"""
-        self.client_conn = models.ClientConnection(
+        self.client_conn = connections.ClientConnection(
             client_conn,
             client_address,
             None)
@@ -135,7 +136,7 @@ class ConnectionHandler:
             # we send an HTTP error response, which is both
             # understandable by HTTP clients and humans.
             try:
-                error_response = models.make_error_response(502, repr(e))
+                error_response = http.make_error_response(502, repr(e))
                 self.client_conn.send(http1.assemble_response(error_response))
             except netlib.exceptions.TcpException:
                 pass
diff --git a/mitmproxy/models/tcp.py b/mitmproxy/tcp.py
similarity index 91%
rename from mitmproxy/models/tcp.py
rename to mitmproxy/tcp.py
index ae30730e6..af54c9d41 100644
--- a/mitmproxy/models/tcp.py
+++ b/mitmproxy/tcp.py
@@ -3,7 +3,7 @@ import time
 from typing import List
 
 import netlib.basetypes
-from mitmproxy.models.flow import Flow
+from mitmproxy import flow
 
 
 class TCPMessage(netlib.basetypes.Serializable):
@@ -34,7 +34,7 @@ class TCPMessage(netlib.basetypes.Serializable):
         )
 
 
-class TCPFlow(Flow):
+class TCPFlow(flow.Flow):
 
     """
     A TCPFlow is a simplified representation of a TCP session.
@@ -44,7 +44,7 @@ class TCPFlow(Flow):
         super().__init__("tcp", client_conn, server_conn, live)
         self.messages = []  # type: List[TCPMessage]
 
-    _stateobject_attributes = Flow._stateobject_attributes.copy()
+    _stateobject_attributes = flow.Flow._stateobject_attributes.copy()
     _stateobject_attributes.update(
         messages=List[TCPMessage]
     )
diff --git a/mitmproxy/tools/__init__.py b/mitmproxy/tools/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/mitmproxy/cmdline.py b/mitmproxy/tools/cmdline.py
similarity index 99%
rename from mitmproxy/cmdline.py
rename to mitmproxy/tools/cmdline.py
index df0b0a2f7..ddc4a5cef 100644
--- a/mitmproxy/cmdline.py
+++ b/mitmproxy/tools/cmdline.py
@@ -750,7 +750,7 @@ def common_options(parser):
 
 
 def mitmproxy():
-    # Don't import mitmproxy.console for mitmdump, urwid is not available on all
+    # Don't import mitmproxy.tools.console for mitmdump, urwid is not available on all
     # platforms.
     from .console import palettes
 
diff --git a/mitmproxy/tools/console/__init__.py b/mitmproxy/tools/console/__init__.py
new file mode 100644
index 000000000..947258c92
--- /dev/null
+++ b/mitmproxy/tools/console/__init__.py
@@ -0,0 +1,4 @@
+from mitmproxy.tools.console import master
+
+
+__all__ = ["master"]
diff --git a/mitmproxy/console/common.py b/mitmproxy/tools/console/common.py
similarity index 99%
rename from mitmproxy/console/common.py
rename to mitmproxy/tools/console/common.py
index 91253668f..d10d93213 100644
--- a/mitmproxy/console/common.py
+++ b/mitmproxy/tools/console/common.py
@@ -8,7 +8,7 @@ import urwid.util
 
 import netlib
 from mitmproxy import utils
-from mitmproxy.console import signals
+from mitmproxy.tools.console import signals
 from mitmproxy import export
 from netlib import human
 
diff --git a/mitmproxy/console/flowdetailview.py b/mitmproxy/tools/console/flowdetailview.py
similarity index 98%
rename from mitmproxy/console/flowdetailview.py
rename to mitmproxy/tools/console/flowdetailview.py
index 5c0eaf791..f13f9a1df 100644
--- a/mitmproxy/console/flowdetailview.py
+++ b/mitmproxy/tools/console/flowdetailview.py
@@ -1,6 +1,6 @@
 import urwid
 
-from mitmproxy.console import common, searchable
+from mitmproxy.tools.console import common, searchable
 from netlib import human
 
 
diff --git a/mitmproxy/console/flowlist.py b/mitmproxy/tools/console/flowlist.py
similarity index 99%
rename from mitmproxy/console/flowlist.py
rename to mitmproxy/tools/console/flowlist.py
index 09a5d027f..31624229c 100644
--- a/mitmproxy/console/flowlist.py
+++ b/mitmproxy/tools/console/flowlist.py
@@ -2,8 +2,8 @@ import urwid
 
 import netlib.http.url
 from mitmproxy import exceptions
-from mitmproxy.console import common
-from mitmproxy.console import signals
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console import signals
 from mitmproxy import export
 
 
diff --git a/mitmproxy/console/flowview.py b/mitmproxy/tools/console/flowview.py
similarity index 97%
rename from mitmproxy/console/flowview.py
rename to mitmproxy/tools/console/flowview.py
index 19afcdbc9..64caf4742 100644
--- a/mitmproxy/console/flowview.py
+++ b/mitmproxy/tools/console/flowview.py
@@ -7,14 +7,14 @@ from mitmproxy import exceptions
 from typing import Optional, Union  # noqa
 
 from mitmproxy import contentviews
-from mitmproxy import models
+from mitmproxy import http
 from mitmproxy import utils
-from mitmproxy.console import common
-from mitmproxy.console import flowdetailview
-from mitmproxy.console import grideditor
-from mitmproxy.console import searchable
-from mitmproxy.console import signals
-from mitmproxy.console import tabs
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console import flowdetailview
+from mitmproxy.tools.console import grideditor
+from mitmproxy.tools.console import searchable
+from mitmproxy.tools.console import signals
+from mitmproxy.tools.console import tabs
 from mitmproxy import export
 from netlib.http import Headers
 from netlib.http import status_codes
@@ -100,7 +100,7 @@ footer = [
 
 class FlowViewHeader(urwid.WidgetWrap):
 
-    def __init__(self, master: "mitmproxy.console.master.ConsoleMaster", f: models.HTTPFlow):
+    def __init__(self, master: "mitmproxy.console.master.ConsoleMaster", f: http.HTTPFlow):
         self.master = master
         self.flow = f
         self._w = common.format_flow(
@@ -208,7 +208,7 @@ class FlowView(tabs.Tabs):
         if error:
             signals.add_log(error, "error")
         # Give hint that you have to tab for the response.
-        if description == "No content" and isinstance(message, models.HTTPRequest):
+        if description == "No content" and isinstance(message, http.HTTPRequest):
             description = "No request content (press tab to view response)"
 
         # If the users has a wide terminal, he gets fewer lines; this should not be an issue.
@@ -373,7 +373,7 @@ class FlowView(tabs.Tabs):
             message = self.flow.request
         else:
             if not self.flow.response:
-                self.flow.response = models.HTTPResponse.make(200, b"")
+                self.flow.response = http.HTTPResponse.make(200, b"")
             message = self.flow.response
 
         self.flow.backup()
@@ -500,7 +500,7 @@ class FlowView(tabs.Tabs):
         signals.flow_change.send(self, flow = self.flow)
 
     def keypress(self, size, key):
-        conn = None  # type: Optional[Union[models.HTTPRequest, models.HTTPResponse]]
+        conn = None  # type: Optional[Union[http.HTTPRequest, http.HTTPResponse]]
         if self.tab_offset == TAB_REQ:
             conn = self.flow.request
         elif self.tab_offset == TAB_RESP:
diff --git a/mitmproxy/console/grideditor/__init__.py b/mitmproxy/tools/console/grideditor/__init__.py
similarity index 100%
rename from mitmproxy/console/grideditor/__init__.py
rename to mitmproxy/tools/console/grideditor/__init__.py
diff --git a/mitmproxy/console/grideditor/base.py b/mitmproxy/tools/console/grideditor/base.py
similarity index 99%
rename from mitmproxy/console/grideditor/base.py
rename to mitmproxy/tools/console/grideditor/base.py
index 7b687c3e0..4505bb979 100644
--- a/mitmproxy/console/grideditor/base.py
+++ b/mitmproxy/tools/console/grideditor/base.py
@@ -9,8 +9,8 @@ from typing import Sequence
 from typing import Tuple
 
 import urwid
-from mitmproxy.console import common
-from mitmproxy.console import signals
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console import signals
 
 FOOTER = [
     ('heading_key', "enter"), ":edit ",
diff --git a/mitmproxy/console/grideditor/col_bytes.py b/mitmproxy/tools/console/grideditor/col_bytes.py
similarity index 96%
rename from mitmproxy/console/grideditor/col_bytes.py
rename to mitmproxy/tools/console/grideditor/col_bytes.py
index 8956de88a..c951ce44f 100644
--- a/mitmproxy/console/grideditor/col_bytes.py
+++ b/mitmproxy/tools/console/grideditor/col_bytes.py
@@ -2,8 +2,8 @@ import os
 from typing import Callable, Optional
 
 import urwid
-from mitmproxy.console import signals
-from mitmproxy.console.grideditor import base
+from mitmproxy.tools.console import signals
+from mitmproxy.tools.console.grideditor import base
 from netlib import strutils
 
 
diff --git a/mitmproxy/console/grideditor/col_subgrid.py b/mitmproxy/tools/console/grideditor/col_subgrid.py
similarity index 92%
rename from mitmproxy/console/grideditor/col_subgrid.py
rename to mitmproxy/tools/console/grideditor/col_subgrid.py
index 8a08f8388..3147e63d0 100644
--- a/mitmproxy/console/grideditor/col_subgrid.py
+++ b/mitmproxy/tools/console/grideditor/col_subgrid.py
@@ -1,6 +1,6 @@
 import urwid
-from mitmproxy.console.grideditor import base
-from mitmproxy.console import signals
+from mitmproxy.tools.console.grideditor import base
+from mitmproxy.tools.console import signals
 from netlib.http import cookies
 
 
diff --git a/mitmproxy/console/grideditor/col_text.py b/mitmproxy/tools/console/grideditor/col_text.py
similarity index 92%
rename from mitmproxy/console/grideditor/col_text.py
rename to mitmproxy/tools/console/grideditor/col_text.py
index ae15374c8..2d5192ae7 100644
--- a/mitmproxy/console/grideditor/col_text.py
+++ b/mitmproxy/tools/console/grideditor/col_text.py
@@ -5,8 +5,8 @@ In a nutshell, text columns are actually a proxy class for byte columns,
 which just encode/decodes contents.
 """
 
-from mitmproxy.console import signals
-from mitmproxy.console.grideditor import col_bytes
+from mitmproxy.tools.console import signals
+from mitmproxy.tools.console.grideditor import col_bytes
 
 
 class Column(col_bytes.Column):
diff --git a/mitmproxy/console/grideditor/editors.py b/mitmproxy/tools/console/grideditor/editors.py
similarity index 94%
rename from mitmproxy/console/grideditor/editors.py
rename to mitmproxy/tools/console/grideditor/editors.py
index 512c2416f..64361af74 100644
--- a/mitmproxy/console/grideditor/editors.py
+++ b/mitmproxy/tools/console/grideditor/editors.py
@@ -3,12 +3,12 @@ import urwid
 from mitmproxy import exceptions
 from mitmproxy import flowfilter
 from mitmproxy.addons import script
-from mitmproxy.console import common
-from mitmproxy.console.grideditor import base
-from mitmproxy.console.grideditor import col_bytes
-from mitmproxy.console.grideditor import col_text
-from mitmproxy.console.grideditor import col_subgrid
-from mitmproxy.console import signals
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console.grideditor import base
+from mitmproxy.tools.console.grideditor import col_bytes
+from mitmproxy.tools.console.grideditor import col_text
+from mitmproxy.tools.console.grideditor import col_subgrid
+from mitmproxy.tools.console import signals
 from netlib.http import user_agents
 
 
diff --git a/mitmproxy/console/help.py b/mitmproxy/tools/console/help.py
similarity index 97%
rename from mitmproxy/console/help.py
rename to mitmproxy/tools/console/help.py
index 5ee03f366..752ebf008 100644
--- a/mitmproxy/console/help.py
+++ b/mitmproxy/tools/console/help.py
@@ -3,8 +3,8 @@ import platform
 import urwid
 
 from mitmproxy import flowfilter
-from mitmproxy.console import common
-from mitmproxy.console import signals
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console import signals
 
 from netlib import version
 
diff --git a/mitmproxy/console/master.py b/mitmproxy/tools/console/master.py
similarity index 97%
rename from mitmproxy/console/master.py
rename to mitmproxy/tools/console/master.py
index 4921373fa..e80cb0af5 100644
--- a/mitmproxy/console/master.py
+++ b/mitmproxy/tools/console/master.py
@@ -24,16 +24,16 @@ from mitmproxy import flowfilter
 from mitmproxy import utils
 from mitmproxy.addons import state
 import mitmproxy.options
-from mitmproxy.console import flowlist
-from mitmproxy.console import flowview
-from mitmproxy.console import grideditor
-from mitmproxy.console import help
-from mitmproxy.console import options
-from mitmproxy.console import palettepicker
-from mitmproxy.console import palettes
-from mitmproxy.console import signals
-from mitmproxy.console import statusbar
-from mitmproxy.console import window
+from mitmproxy.tools.console import flowlist
+from mitmproxy.tools.console import flowview
+from mitmproxy.tools.console import grideditor
+from mitmproxy.tools.console import help
+from mitmproxy.tools.console import options
+from mitmproxy.tools.console import palettepicker
+from mitmproxy.tools.console import palettes
+from mitmproxy.tools.console import signals
+from mitmproxy.tools.console import statusbar
+from mitmproxy.tools.console import window
 from mitmproxy.flowfilter import FMarked
 from netlib import tcp, strutils
 
diff --git a/mitmproxy/console/options.py b/mitmproxy/tools/console/options.py
similarity index 97%
rename from mitmproxy/console/options.py
rename to mitmproxy/tools/console/options.py
index d0f647138..04a0d08c2 100644
--- a/mitmproxy/console/options.py
+++ b/mitmproxy/tools/console/options.py
@@ -1,11 +1,11 @@
 import urwid
 
 from mitmproxy import contentviews
-from mitmproxy.console import common
-from mitmproxy.console import grideditor
-from mitmproxy.console import palettes
-from mitmproxy.console import select
-from mitmproxy.console import signals
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console import grideditor
+from mitmproxy.tools.console import palettes
+from mitmproxy.tools.console import select
+from mitmproxy.tools.console import signals
 
 footer = [
     ('heading_key', "enter/space"), ":toggle ",
diff --git a/mitmproxy/console/palettepicker.py b/mitmproxy/tools/console/palettepicker.py
similarity index 92%
rename from mitmproxy/console/palettepicker.py
rename to mitmproxy/tools/console/palettepicker.py
index b0840d8bb..4554a1b64 100644
--- a/mitmproxy/console/palettepicker.py
+++ b/mitmproxy/tools/console/palettepicker.py
@@ -1,9 +1,9 @@
 import urwid
 
-from mitmproxy.console import common
-from mitmproxy.console import palettes
-from mitmproxy.console import select
-from mitmproxy.console import signals
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console import palettes
+from mitmproxy.tools.console import select
+from mitmproxy.tools.console import signals
 
 footer = [
     ('heading_key', "enter/space"), ":select",
diff --git a/mitmproxy/console/palettes.py b/mitmproxy/tools/console/palettes.py
similarity index 100%
rename from mitmproxy/console/palettes.py
rename to mitmproxy/tools/console/palettes.py
diff --git a/mitmproxy/console/pathedit.py b/mitmproxy/tools/console/pathedit.py
similarity index 100%
rename from mitmproxy/console/pathedit.py
rename to mitmproxy/tools/console/pathedit.py
diff --git a/mitmproxy/console/searchable.py b/mitmproxy/tools/console/searchable.py
similarity index 98%
rename from mitmproxy/console/searchable.py
rename to mitmproxy/tools/console/searchable.py
index f87669080..650b75a05 100644
--- a/mitmproxy/console/searchable.py
+++ b/mitmproxy/tools/console/searchable.py
@@ -1,6 +1,6 @@
 import urwid
 
-from mitmproxy.console import signals
+from mitmproxy.tools.console import signals
 
 
 class Highlight(urwid.AttrMap):
diff --git a/mitmproxy/console/select.py b/mitmproxy/tools/console/select.py
similarity index 98%
rename from mitmproxy/console/select.py
rename to mitmproxy/tools/console/select.py
index 9f6a4cad8..a990dff87 100644
--- a/mitmproxy/console/select.py
+++ b/mitmproxy/tools/console/select.py
@@ -1,6 +1,6 @@
 import urwid
 
-from mitmproxy.console import common
+from mitmproxy.tools.console import common
 
 
 class _OptionWidget(urwid.WidgetWrap):
diff --git a/mitmproxy/console/signals.py b/mitmproxy/tools/console/signals.py
similarity index 100%
rename from mitmproxy/console/signals.py
rename to mitmproxy/tools/console/signals.py
diff --git a/mitmproxy/console/statusbar.py b/mitmproxy/tools/console/statusbar.py
similarity index 98%
rename from mitmproxy/console/statusbar.py
rename to mitmproxy/tools/console/statusbar.py
index e7944a9e8..99f73727b 100644
--- a/mitmproxy/console/statusbar.py
+++ b/mitmproxy/tools/console/statusbar.py
@@ -3,9 +3,9 @@ import os.path
 import urwid
 
 import netlib.http.url
-from mitmproxy.console import common
-from mitmproxy.console import pathedit
-from mitmproxy.console import signals
+from mitmproxy.tools.console import common
+from mitmproxy.tools.console import pathedit
+from mitmproxy.tools.console import signals
 from netlib import human
 
 
diff --git a/mitmproxy/console/tabs.py b/mitmproxy/tools/console/tabs.py
similarity index 100%
rename from mitmproxy/console/tabs.py
rename to mitmproxy/tools/console/tabs.py
diff --git a/mitmproxy/console/window.py b/mitmproxy/tools/console/window.py
similarity index 98%
rename from mitmproxy/console/window.py
rename to mitmproxy/tools/console/window.py
index b972208e7..b20d2e33b 100644
--- a/mitmproxy/console/window.py
+++ b/mitmproxy/tools/console/window.py
@@ -1,6 +1,6 @@
 import urwid
 
-from mitmproxy.console import signals
+from mitmproxy.tools.console import signals
 
 
 class Window(urwid.Frame):
diff --git a/mitmproxy/dump.py b/mitmproxy/tools/dump.py
similarity index 100%
rename from mitmproxy/dump.py
rename to mitmproxy/tools/dump.py
diff --git a/mitmproxy/main.py b/mitmproxy/tools/main.py
similarity index 96%
rename from mitmproxy/main.py
rename to mitmproxy/tools/main.py
index 19ee50272..05ae780ee 100644
--- a/mitmproxy/main.py
+++ b/mitmproxy/tools/main.py
@@ -2,7 +2,7 @@ import os
 import signal
 import sys
 
-from mitmproxy import cmdline
+from mitmproxy.tools import cmdline
 from mitmproxy import exceptions
 from mitmproxy.proxy import config
 from mitmproxy.proxy import server
@@ -47,7 +47,7 @@ def mitmproxy(args=None):  # pragma: no cover
         print("Error: mitmproxy's console interface is not supported on Windows. "
               "You can run mitmdump or mitmweb instead.", file=sys.stderr)
         sys.exit(1)
-    from . import console
+    from mitmproxy.tools import console
 
     version_check.check_pyopenssl_version()
     assert_utf8_env()
@@ -79,7 +79,7 @@ def mitmproxy(args=None):  # pragma: no cover
 
 
 def mitmdump(args=None):  # pragma: no cover
-    from . import dump
+    from mitmproxy.tools import dump
 
     version_check.check_pyopenssl_version()
 
@@ -113,7 +113,7 @@ def mitmdump(args=None):  # pragma: no cover
 
 
 def mitmweb(args=None):  # pragma: no cover
-    from . import web
+    from mitmproxy.tools import web
 
     version_check.check_pyopenssl_version()
 
diff --git a/mitmproxy/tools/web/__init__.py b/mitmproxy/tools/web/__init__.py
new file mode 100644
index 000000000..c2252af39
--- /dev/null
+++ b/mitmproxy/tools/web/__init__.py
@@ -0,0 +1,2 @@
+from mitmproxy.tools.web import master
+__all__ = ["master"]
diff --git a/mitmproxy/web/app.py b/mitmproxy/tools/web/app.py
similarity index 98%
rename from mitmproxy/web/app.py
rename to mitmproxy/tools/web/app.py
index c45b32a96..89b421868 100644
--- a/mitmproxy/web/app.py
+++ b/mitmproxy/tools/web/app.py
@@ -11,13 +11,14 @@ import tornado.web
 from io import BytesIO
 
 from mitmproxy import flowfilter
-from mitmproxy import models
+from mitmproxy import flow
+from mitmproxy import http
 from mitmproxy import contentviews
 from mitmproxy import io
 from netlib import version
 
 
-def convert_flow_to_json_dict(flow: models.Flow) -> dict:
+def convert_flow_to_json_dict(flow: flow.Flow) -> dict:
     """
     Remove flow message content and cert to save transmission space.
 
@@ -34,7 +35,7 @@ def convert_flow_to_json_dict(flow: models.Flow) -> dict:
     if flow.error:
         f["error"] = flow.error.get_state()
 
-    if isinstance(flow, models.HTTPFlow):
+    if isinstance(flow, http.HTTPFlow):
         if flow.request:
             f["request"] = {
                 "method": flow.request.method,
@@ -119,7 +120,7 @@ class RequestHandler(BasicAuth, tornado.web.RequestHandler):
         return self.application.master.state
 
     @property
-    def master(self) -> "mitmproxy.web.master.WebMaster":
+    def master(self) -> "mitmproxy.tools.web.master.WebMaster":
         return self.application.master
 
     @property
diff --git a/mitmproxy/web/master.py b/mitmproxy/tools/web/master.py
similarity index 99%
rename from mitmproxy/web/master.py
rename to mitmproxy/tools/web/master.py
index f07d28c8c..2bca45552 100644
--- a/mitmproxy/web/master.py
+++ b/mitmproxy/tools/web/master.py
@@ -12,7 +12,7 @@ from mitmproxy import exceptions
 from mitmproxy.addons import state
 from mitmproxy import options
 from mitmproxy import master
-from mitmproxy.web import app
+from mitmproxy.tools.web import app
 from netlib.http import authentication
 
 
diff --git a/mitmproxy/web/static/app.css b/mitmproxy/tools/web/static/app.css
similarity index 100%
rename from mitmproxy/web/static/app.css
rename to mitmproxy/tools/web/static/app.css
diff --git a/mitmproxy/web/static/app.js b/mitmproxy/tools/web/static/app.js
similarity index 100%
rename from mitmproxy/web/static/app.js
rename to mitmproxy/tools/web/static/app.js
diff --git a/mitmproxy/web/static/fonts/fontawesome-webfont.eot b/mitmproxy/tools/web/static/fonts/fontawesome-webfont.eot
similarity index 100%
rename from mitmproxy/web/static/fonts/fontawesome-webfont.eot
rename to mitmproxy/tools/web/static/fonts/fontawesome-webfont.eot
diff --git a/mitmproxy/web/static/fonts/fontawesome-webfont.svg b/mitmproxy/tools/web/static/fonts/fontawesome-webfont.svg
similarity index 100%
rename from mitmproxy/web/static/fonts/fontawesome-webfont.svg
rename to mitmproxy/tools/web/static/fonts/fontawesome-webfont.svg
diff --git a/mitmproxy/web/static/fonts/fontawesome-webfont.ttf b/mitmproxy/tools/web/static/fonts/fontawesome-webfont.ttf
similarity index 100%
rename from mitmproxy/web/static/fonts/fontawesome-webfont.ttf
rename to mitmproxy/tools/web/static/fonts/fontawesome-webfont.ttf
diff --git a/mitmproxy/web/static/fonts/fontawesome-webfont.woff b/mitmproxy/tools/web/static/fonts/fontawesome-webfont.woff
similarity index 100%
rename from mitmproxy/web/static/fonts/fontawesome-webfont.woff
rename to mitmproxy/tools/web/static/fonts/fontawesome-webfont.woff
diff --git a/mitmproxy/web/static/images/chrome-devtools/LICENSE b/mitmproxy/tools/web/static/images/chrome-devtools/LICENSE
similarity index 100%
rename from mitmproxy/web/static/images/chrome-devtools/LICENSE
rename to mitmproxy/tools/web/static/images/chrome-devtools/LICENSE
diff --git a/mitmproxy/web/static/images/chrome-devtools/resourceCSSIcon.png b/mitmproxy/tools/web/static/images/chrome-devtools/resourceCSSIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/chrome-devtools/resourceCSSIcon.png
rename to mitmproxy/tools/web/static/images/chrome-devtools/resourceCSSIcon.png
diff --git a/mitmproxy/web/static/images/chrome-devtools/resourceDocumentIcon.png b/mitmproxy/tools/web/static/images/chrome-devtools/resourceDocumentIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/chrome-devtools/resourceDocumentIcon.png
rename to mitmproxy/tools/web/static/images/chrome-devtools/resourceDocumentIcon.png
diff --git a/mitmproxy/web/static/images/chrome-devtools/resourceJSIcon.png b/mitmproxy/tools/web/static/images/chrome-devtools/resourceJSIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/chrome-devtools/resourceJSIcon.png
rename to mitmproxy/tools/web/static/images/chrome-devtools/resourceJSIcon.png
diff --git a/mitmproxy/web/static/images/chrome-devtools/resourcePlainIcon.png b/mitmproxy/tools/web/static/images/chrome-devtools/resourcePlainIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/chrome-devtools/resourcePlainIcon.png
rename to mitmproxy/tools/web/static/images/chrome-devtools/resourcePlainIcon.png
diff --git a/mitmproxy/web/static/images/favicon.ico b/mitmproxy/tools/web/static/images/favicon.ico
similarity index 100%
rename from mitmproxy/web/static/images/favicon.ico
rename to mitmproxy/tools/web/static/images/favicon.ico
diff --git a/mitmproxy/web/static/images/resourceExecutableIcon.png b/mitmproxy/tools/web/static/images/resourceExecutableIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/resourceExecutableIcon.png
rename to mitmproxy/tools/web/static/images/resourceExecutableIcon.png
diff --git a/mitmproxy/web/static/images/resourceFlashIcon.png b/mitmproxy/tools/web/static/images/resourceFlashIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/resourceFlashIcon.png
rename to mitmproxy/tools/web/static/images/resourceFlashIcon.png
diff --git a/mitmproxy/web/static/images/resourceImageIcon.png b/mitmproxy/tools/web/static/images/resourceImageIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/resourceImageIcon.png
rename to mitmproxy/tools/web/static/images/resourceImageIcon.png
diff --git a/mitmproxy/web/static/images/resourceJavaIcon.png b/mitmproxy/tools/web/static/images/resourceJavaIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/resourceJavaIcon.png
rename to mitmproxy/tools/web/static/images/resourceJavaIcon.png
diff --git a/mitmproxy/web/static/images/resourceNotModifiedIcon.png b/mitmproxy/tools/web/static/images/resourceNotModifiedIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/resourceNotModifiedIcon.png
rename to mitmproxy/tools/web/static/images/resourceNotModifiedIcon.png
diff --git a/mitmproxy/web/static/images/resourceRedirectIcon.png b/mitmproxy/tools/web/static/images/resourceRedirectIcon.png
similarity index 100%
rename from mitmproxy/web/static/images/resourceRedirectIcon.png
rename to mitmproxy/tools/web/static/images/resourceRedirectIcon.png
diff --git a/mitmproxy/web/static/vendor.css b/mitmproxy/tools/web/static/vendor.css
similarity index 100%
rename from mitmproxy/web/static/vendor.css
rename to mitmproxy/tools/web/static/vendor.css
diff --git a/mitmproxy/web/static/vendor.js b/mitmproxy/tools/web/static/vendor.js
similarity index 100%
rename from mitmproxy/web/static/vendor.js
rename to mitmproxy/tools/web/static/vendor.js
diff --git a/mitmproxy/web/templates/index.html b/mitmproxy/tools/web/templates/index.html
similarity index 100%
rename from mitmproxy/web/templates/index.html
rename to mitmproxy/tools/web/templates/index.html
diff --git a/mitmproxy/web/__init__.py b/mitmproxy/web/__init__.py
deleted file mode 100644
index b21c894f6..000000000
--- a/mitmproxy/web/__init__.py
+++ /dev/null
@@ -1,2 +0,0 @@
-from mitmproxy.web import master
-__all__ = ["master"]
diff --git a/setup.py b/setup.py
index 9d85e545a..f856ff7ae 100644
--- a/setup.py
+++ b/setup.py
@@ -49,9 +49,9 @@ setup(
     include_package_data=True,
     entry_points={
         'console_scripts': [
-            "mitmproxy = mitmproxy.main:mitmproxy",
-            "mitmdump = mitmproxy.main:mitmdump",
-            "mitmweb = mitmproxy.main:mitmweb",
+            "mitmproxy = mitmproxy.tools.main:mitmproxy",
+            "mitmdump = mitmproxy.tools.main:mitmdump",
+            "mitmweb = mitmproxy.tools.main:mitmweb",
             "pathod = pathod.pathod_cmdline:go_pathod",
             "pathoc = pathod.pathoc_cmdline:go_pathoc"
         ]
diff --git a/test/mitmproxy/addons/test_dumper.py b/test/mitmproxy/addons/test_dumper.py
index ce2d2de9a..e49f91bc1 100644
--- a/test/mitmproxy/addons/test_dumper.py
+++ b/test/mitmproxy/addons/test_dumper.py
@@ -4,8 +4,8 @@ from .. import tutils, mastertest
 
 from mitmproxy.addons import dumper
 from mitmproxy import exceptions
-from mitmproxy import dump
-from mitmproxy import models
+from mitmproxy.tools import dump
+from mitmproxy import http
 from mitmproxy import proxy
 import netlib.tutils
 import mock
@@ -60,7 +60,7 @@ class TestDumper(mastertest.MasterTest):
         d.configure(dump.Options(tfile = sio), updated)
         flow = tutils.tflow()
         flow.request.content = None
-        flow.response = models.HTTPResponse.wrap(netlib.tutils.tresp())
+        flow.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
         flow.response.content = None
         d.response(flow)
         assert "content missing" in sio.getvalue()
diff --git a/test/mitmproxy/addons/test_termlog.py b/test/mitmproxy/addons/test_termlog.py
index a9f18a51a..1045ec298 100644
--- a/test/mitmproxy/addons/test_termlog.py
+++ b/test/mitmproxy/addons/test_termlog.py
@@ -3,7 +3,7 @@ import io
 
 from mitmproxy.addons import termlog
 from mitmproxy import log
-from mitmproxy import dump
+from mitmproxy.tools import dump
 
 
 class TestTermLog(mastertest.MasterTest):
diff --git a/test/mitmproxy/console/test_common.py b/test/mitmproxy/console/test_common.py
index ac4e02091..1a12d3601 100644
--- a/test/mitmproxy/console/test_common.py
+++ b/test/mitmproxy/console/test_common.py
@@ -1,4 +1,4 @@
-import mitmproxy.console.common as common
+from mitmproxy.tools.console import common
 from .. import tutils
 
 
diff --git a/test/mitmproxy/console/test_help.py b/test/mitmproxy/console/test_help.py
index 3c1cc57cc..d34f3f5d6 100644
--- a/test/mitmproxy/console/test_help.py
+++ b/test/mitmproxy/console/test_help.py
@@ -1,4 +1,4 @@
-import mitmproxy.console.help as help
+import mitmproxy.tools.console.help as help
 from .. import tutils
 
 
diff --git a/test/mitmproxy/console/test_master.py b/test/mitmproxy/console/test_master.py
index 46eec9817..da29a2b1c 100644
--- a/test/mitmproxy/console/test_master.py
+++ b/test/mitmproxy/console/test_master.py
@@ -1,9 +1,9 @@
 import gc
 
 import netlib.tutils
-from mitmproxy import console
+from mitmproxy.tools import console
 from mitmproxy import proxy
-from mitmproxy.console import common
+from mitmproxy.tools.console import common
 
 from .. import tutils, mastertest
 
diff --git a/test/mitmproxy/console/test_palettes.py b/test/mitmproxy/console/test_palettes.py
index a99730fa0..7490bae08 100644
--- a/test/mitmproxy/console/test_palettes.py
+++ b/test/mitmproxy/console/test_palettes.py
@@ -1,4 +1,4 @@
-import mitmproxy.console.palettes as palettes
+import mitmproxy.tools.console.palettes as palettes
 from .. import tutils
 
 
diff --git a/test/mitmproxy/console/test_pathedit.py b/test/mitmproxy/console/test_pathedit.py
index 45c69a385..29f8de17c 100644
--- a/test/mitmproxy/console/test_pathedit.py
+++ b/test/mitmproxy/console/test_pathedit.py
@@ -1,6 +1,6 @@
 import os
 from os.path import normpath
-from mitmproxy.console import pathedit
+from mitmproxy.tools.console import pathedit
 
 from mock import patch
 
diff --git a/test/mitmproxy/mastertest.py b/test/mitmproxy/mastertest.py
index f82eec404..0b57c2d48 100644
--- a/test/mitmproxy/mastertest.py
+++ b/test/mitmproxy/mastertest.py
@@ -4,7 +4,10 @@ from . import tutils
 import netlib.tutils
 
 from mitmproxy import master
-from mitmproxy import io, proxy, models, options
+from mitmproxy import io
+from mitmproxy import proxy
+from mitmproxy import http
+from mitmproxy import options
 
 
 class TestMaster:
@@ -19,7 +22,7 @@ class MasterTest:
         master.serverconnect(f.server_conn)
         master.request(f)
         if not f.error:
-            f.response = models.HTTPResponse.wrap(
+            f.response = http.HTTPResponse.wrap(
                 netlib.tutils.tresp(content=content)
             )
             master.response(f)
diff --git a/test/mitmproxy/test_cmdline.py b/test/mitmproxy/test_cmdline.py
index 55627408e..d664430a3 100644
--- a/test/mitmproxy/test_cmdline.py
+++ b/test/mitmproxy/test_cmdline.py
@@ -1,5 +1,5 @@
 import argparse
-from mitmproxy import cmdline
+from mitmproxy.tools import cmdline
 from . import tutils
 
 
diff --git a/test/mitmproxy/test_dump.py b/test/mitmproxy/test_dump.py
index c062a0688..33d2423cf 100644
--- a/test/mitmproxy/test_dump.py
+++ b/test/mitmproxy/test_dump.py
@@ -2,7 +2,9 @@ import os
 import io
 
 import mitmproxy.io
-from mitmproxy import dump, exceptions, proxy
+from mitmproxy.tools import dump
+from mitmproxy import exceptions
+from mitmproxy import proxy
 from . import tutils, mastertest
 
 
diff --git a/test/mitmproxy/test_flow.py b/test/mitmproxy/test_flow.py
index d33d395b5..9ebcca344 100644
--- a/test/mitmproxy/test_flow.py
+++ b/test/mitmproxy/test_flow.py
@@ -8,14 +8,11 @@ from mitmproxy import flowfilter, options
 from mitmproxy.addons import state
 from mitmproxy.contrib import tnetstring
 from mitmproxy.exceptions import FlowReadException, Kill
-from mitmproxy.models import Error
-from mitmproxy.models import Flow
-from mitmproxy.models import HTTPFlow
-from mitmproxy.models import HTTPRequest
-from mitmproxy.models import HTTPResponse
+from mitmproxy import flow
+from mitmproxy import http
+from mitmproxy import connections
 from mitmproxy.proxy import ProxyConfig
 from mitmproxy.proxy.server import DummyServer
-from mitmproxy.models.connections import ClientConnection
 from mitmproxy import master
 from . import tutils
 
@@ -62,7 +59,7 @@ class TestHTTPFlow:
 
     def test_backup(self):
         f = tutils.tflow()
-        f.response = HTTPResponse.wrap(netlib.tutils.tresp())
+        f.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
         f.request.content = b"foo"
         assert not f.modified()
         f.backup()
@@ -81,20 +78,20 @@ class TestHTTPFlow:
     def test_getset_state(self):
         f = tutils.tflow(resp=True)
         state = f.get_state()
-        assert f.get_state() == HTTPFlow.from_state(
+        assert f.get_state() == http.HTTPFlow.from_state(
             state).get_state()
 
         f.response = None
-        f.error = Error("error")
+        f.error = flow.Error("error")
         state = f.get_state()
-        assert f.get_state() == HTTPFlow.from_state(
+        assert f.get_state() == http.HTTPFlow.from_state(
             state).get_state()
 
         f2 = f.copy()
         f2.id = f.id  # copy creates a different uuid
         assert f.get_state() == f2.get_state()
         assert not f == f2
-        f2.error = Error("e2")
+        f2.error = flow.Error("e2")
         assert not f == f2
         f.set_state(f2.get_state())
         assert f.get_state() == f2.get_state()
@@ -215,7 +212,7 @@ class TestState:
         assert c.add_flow(newf)
         assert c.active_flow_count() == 2
 
-        f.response = HTTPResponse.wrap(netlib.tutils.tresp())
+        f.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
         assert c.update_flow(f)
         assert c.flow_count() == 2
         assert c.active_flow_count() == 1
@@ -223,7 +220,7 @@ class TestState:
         assert not c.update_flow(None)
         assert c.active_flow_count() == 1
 
-        newf.response = HTTPResponse.wrap(netlib.tutils.tresp())
+        newf.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
         assert c.update_flow(newf)
         assert c.active_flow_count() == 0
 
@@ -231,7 +228,7 @@ class TestState:
         c = state.State()
         f = tutils.tflow()
         c.add_flow(f)
-        f.error = Error("message")
+        f.error = flow.Error("message")
         assert c.update_flow(f)
 
         c = state.State()
@@ -255,7 +252,7 @@ class TestState:
         c.set_view_filter("~s")
         assert c.filter_txt == "~s"
         assert len(c.view) == 0
-        f.response = HTTPResponse.wrap(netlib.tutils.tresp())
+        f.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
         c.update_flow(f)
         assert len(c.view) == 1
         c.set_view_filter(None)
@@ -287,7 +284,7 @@ class TestState:
     def _add_response(self, state):
         f = tutils.tflow()
         state.add_flow(f)
-        f.response = HTTPResponse.wrap(netlib.tutils.tresp())
+        f.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
         state.update_flow(f)
 
     def _add_error(self, state):
@@ -316,7 +313,7 @@ class TestState:
         c.clear()
 
         c.load_flows(flows)
-        assert isinstance(c.flows[0], Flow)
+        assert isinstance(c.flows[0], flow.Flow)
 
     def test_accept_all(self):
         c = state.State()
@@ -447,17 +444,17 @@ class TestFlowMaster:
         fm.addons.add(s)
         f = tutils.tflow(req=None)
         fm.clientconnect(f.client_conn)
-        f.request = HTTPRequest.wrap(netlib.tutils.treq())
+        f.request = http.HTTPRequest.wrap(netlib.tutils.treq())
         fm.request(f)
         assert s.flow_count() == 1
 
-        f.response = HTTPResponse.wrap(netlib.tutils.tresp())
+        f.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
         fm.response(f)
         assert s.flow_count() == 1
 
         fm.clientdisconnect(f.client_conn)
 
-        f.error = Error("msg")
+        f.error = flow.Error("msg")
         fm.error(f)
 
         fm.shutdown()
@@ -476,7 +473,7 @@ class TestRequest:
         assert r.get_state() == r2.get_state()
 
     def test_get_url(self):
-        r = HTTPRequest.wrap(netlib.tutils.treq())
+        r = http.HTTPRequest.wrap(netlib.tutils.treq())
 
         assert r.url == "http://address:22/path"
 
@@ -497,7 +494,7 @@ class TestRequest:
         assert r.pretty_url == "https://foo.com:22/path"
 
     def test_replace(self):
-        r = HTTPRequest.wrap(netlib.tutils.treq())
+        r = http.HTTPRequest.wrap(netlib.tutils.treq())
         r.path = "path/foo"
         r.headers["Foo"] = "fOo"
         r.content = b"afoob"
@@ -507,7 +504,7 @@ class TestRequest:
         assert r.headers["boo"] == "boo"
 
     def test_constrain_encoding(self):
-        r = HTTPRequest.wrap(netlib.tutils.treq())
+        r = http.HTTPRequest.wrap(netlib.tutils.treq())
         r.headers["accept-encoding"] = "gzip, oink"
         r.constrain_encoding()
         assert "oink" not in r.headers["accept-encoding"]
@@ -517,7 +514,7 @@ class TestRequest:
         assert "oink" not in r.headers["accept-encoding"]
 
     def test_get_content_type(self):
-        resp = HTTPResponse.wrap(netlib.tutils.tresp())
+        resp = http.HTTPResponse.wrap(netlib.tutils.tresp())
         resp.headers = Headers(content_type="text/plain")
         assert resp.headers["content-type"] == "text/plain"
 
@@ -531,7 +528,7 @@ class TestResponse:
         assert resp2.get_state() == resp.get_state()
 
     def test_replace(self):
-        r = HTTPResponse.wrap(netlib.tutils.tresp())
+        r = http.HTTPResponse.wrap(netlib.tutils.tresp())
         r.headers["Foo"] = "fOo"
         r.content = b"afoob"
         assert r.replace("foo(?i)", "boo") == 3
@@ -539,7 +536,7 @@ class TestResponse:
         assert r.headers["boo"] == "boo"
 
     def test_get_content_type(self):
-        resp = HTTPResponse.wrap(netlib.tutils.tresp())
+        resp = http.HTTPResponse.wrap(netlib.tutils.tresp())
         resp.headers = Headers(content_type="text/plain")
         assert resp.headers["content-type"] == "text/plain"
 
@@ -547,13 +544,13 @@ class TestResponse:
 class TestError:
 
     def test_getset_state(self):
-        e = Error("Error")
+        e = flow.Error("Error")
         state = e.get_state()
-        assert Error.from_state(state).get_state() == e.get_state()
+        assert flow.Error.from_state(state).get_state() == e.get_state()
 
         assert e.copy()
 
-        e2 = Error("bar")
+        e2 = flow.Error("bar")
         assert not e == e2
         e.set_state(e2.get_state())
         assert e.get_state() == e2.get_state()
@@ -562,14 +559,14 @@ class TestError:
         assert e3.get_state() == e.get_state()
 
     def test_repr(self):
-        e = Error("yay")
+        e = flow.Error("yay")
         assert repr(e)
 
 
 class TestClientConnection:
     def test_state(self):
         c = tutils.tclient_conn()
-        assert ClientConnection.from_state(c.get_state()).get_state() == \
+        assert connections.ClientConnection.from_state(c.get_state()).get_state() == \
             c.get_state()
 
         c2 = tutils.tclient_conn()
diff --git a/test/mitmproxy/test_proxy.py b/test/mitmproxy/test_proxy.py
index 5904ce5b3..7d4011844 100644
--- a/test/mitmproxy/test_proxy.py
+++ b/test/mitmproxy/test_proxy.py
@@ -2,10 +2,10 @@ import os
 import mock
 from OpenSSL import SSL
 
-from mitmproxy import cmdline
+from mitmproxy.tools import cmdline
 from mitmproxy import options
 from mitmproxy.proxy import ProxyConfig
-from mitmproxy.models.connections import ServerConnection
+from mitmproxy import connections
 from mitmproxy.proxy.server import DummyServer, ProxyServer, ConnectionHandler
 from mitmproxy.proxy import config
 from netlib.exceptions import TcpDisconnect
@@ -18,7 +18,7 @@ class TestServerConnection:
 
     def test_simple(self):
         self.d = test.Daemon()
-        sc = ServerConnection((self.d.IFACE, self.d.port))
+        sc = connections.ServerConnection((self.d.IFACE, self.d.port))
         sc.connect()
         f = tutils.tflow()
         f.server_conn = sc
@@ -36,7 +36,7 @@ class TestServerConnection:
 
     def test_terminate_error(self):
         self.d = test.Daemon()
-        sc = ServerConnection((self.d.IFACE, self.d.port))
+        sc = connections.ServerConnection((self.d.IFACE, self.d.port))
         sc.connect()
         sc.connection = mock.Mock()
         sc.connection.recv = mock.Mock(return_value=False)
diff --git a/test/mitmproxy/test_server.py b/test/mitmproxy/test_server.py
index 7616b5a78..93a82954a 100644
--- a/test/mitmproxy/test_server.py
+++ b/test/mitmproxy/test_server.py
@@ -6,9 +6,10 @@ import netlib.tutils
 from mitmproxy import controller
 from mitmproxy import options
 from mitmproxy.addons import script
-from mitmproxy.models import HTTPResponse, HTTPFlow
+from mitmproxy import http
 from mitmproxy.proxy.config import HostMatcher, parse_server_spec
-from netlib import tcp, http, socks
+import netlib.http
+from netlib import tcp, socks
 from netlib.certutils import SSLCert
 from netlib.exceptions import HttpReadDisconnect, HttpException
 from netlib.http import authentication, http1
@@ -183,9 +184,9 @@ class TcpMixin:
         assert n.status_code == 304
         assert i.status_code == 305
         assert i2.status_code == 306
-        assert any(f.response.status_code == 304 for f in self.master.state.flows if isinstance(f, HTTPFlow))
-        assert not any(f.response.status_code == 305 for f in self.master.state.flows if isinstance(f, HTTPFlow))
-        assert not any(f.response.status_code == 306 for f in self.master.state.flows if isinstance(f, HTTPFlow))
+        assert any(f.response.status_code == 304 for f in self.master.state.flows if isinstance(f, http.HTTPFlow))
+        assert not any(f.response.status_code == 305 for f in self.master.state.flows if isinstance(f, http.HTTPFlow))
+        assert not any(f.response.status_code == 306 for f in self.master.state.flows if isinstance(f, http.HTTPFlow))
 
         # Test that we get the original SSL cert
         if self.ssl:
@@ -293,7 +294,7 @@ class TestHTTPAuth(tservers.HTTPProxyTest):
                 h'%s'='%s'
             """ % (
                 self.server.port,
-                http.authentication.BasicProxyAuth.AUTH_HEADER,
+                netlib.http.authentication.BasicProxyAuth.AUTH_HEADER,
                 authentication.assemble_http_basic_auth("basic", "test", "test")
             ))
         assert ret.status_code == 202
@@ -310,7 +311,7 @@ class TestHTTPReverseAuth(tservers.ReverseProxyTest):
                 '/p/202'
                 h'%s'='%s'
             """ % (
-                http.authentication.BasicWebsiteAuth.AUTH_HEADER,
+                netlib.http.authentication.BasicWebsiteAuth.AUTH_HEADER,
                 authentication.assemble_http_basic_auth("basic", "test", "test")
             ))
         assert ret.status_code == 202
@@ -790,7 +791,7 @@ class TestStreamRequest(tservers.HTTPProxyTest):
 class MasterFakeResponse(tservers.TestMaster):
     @controller.handler
     def request(self, f):
-        f.response = HTTPResponse.wrap(netlib.tutils.tresp())
+        f.response = http.HTTPResponse.wrap(netlib.tutils.tresp())
 
 
 class TestFakeResponse(tservers.HTTPProxyTest):
@@ -869,7 +870,7 @@ class MasterIncomplete(tservers.TestMaster):
 
     @controller.handler
     def request(self, f):
-        resp = HTTPResponse.wrap(netlib.tutils.tresp())
+        resp = http.HTTPResponse.wrap(netlib.tutils.tresp())
         resp.content = None
         f.response = resp
 
diff --git a/test/mitmproxy/test_utils.py b/test/mitmproxy/test_utils.py
index 79b72eece..ed59f4844 100644
--- a/test/mitmproxy/test_utils.py
+++ b/test/mitmproxy/test_utils.py
@@ -5,7 +5,7 @@ utils.CERT_SLEEP_TIME = 0
 
 
 def test_pkg_data():
-    assert utils.pkg_data.path("console")
+    assert utils.pkg_data.path("tools/console")
     tutils.raises("does not exist", utils.pkg_data.path, "nonexistent")
 
 
diff --git a/test/mitmproxy/test_web_app.py b/test/mitmproxy/test_web_app.py
index 89354960b..8fc3378a2 100644
--- a/test/mitmproxy/test_web_app.py
+++ b/test/mitmproxy/test_web_app.py
@@ -1,8 +1,8 @@
 import tornado.testing
 
 from mitmproxy import proxy
-from mitmproxy.web import app
-from mitmproxy.web import master as webmaster
+from mitmproxy.tools.web import app
+from mitmproxy.tools.web import master as webmaster
 
 
 class TestApp(tornado.testing.AsyncHTTPTestCase):
diff --git a/test/mitmproxy/test_web_master.py b/test/mitmproxy/test_web_master.py
index 267715ade..77280644b 100644
--- a/test/mitmproxy/test_web_master.py
+++ b/test/mitmproxy/test_web_master.py
@@ -1,4 +1,4 @@
-from mitmproxy.web import master
+from mitmproxy.tools.web import master
 from mitmproxy import proxy
 from . import mastertest
 
diff --git a/test/mitmproxy/tutils.py b/test/mitmproxy/tutils.py
index 2869a5f50..9724516b2 100644
--- a/test/mitmproxy/tutils.py
+++ b/test/mitmproxy/tutils.py
@@ -12,11 +12,10 @@ import io
 import netlib.utils
 import netlib.tutils
 from mitmproxy import controller
-from mitmproxy.models import (
-    ClientConnection, ServerConnection, Error, HTTPRequest, HTTPResponse, HTTPFlow, TCPFlow
-)
-from mitmproxy.models.tcp import TCPMessage
-from mitmproxy.models.flow import Flow
+from mitmproxy import connections
+from mitmproxy import flow
+from mitmproxy import http
+from mitmproxy import tcp
 
 
 def _skip_windows(*args):
@@ -48,7 +47,7 @@ def skip_appveyor(fn):
         return fn
 
 
-class DummyFlow(Flow):
+class DummyFlow(flow.Flow):
     """A flow that is neither HTTP nor TCP."""
 
     def __init__(self, client_conn, server_conn, live=None):
@@ -76,13 +75,13 @@ def ttcpflow(client_conn=True, server_conn=True, messages=True, err=None):
         server_conn = tserver_conn()
     if messages is True:
         messages = [
-            TCPMessage(True, b"hello"),
-            TCPMessage(False, b"it's me"),
+            tcp.TCPMessage(True, b"hello"),
+            tcp.TCPMessage(False, b"it's me"),
         ]
     if err is True:
         err = terr()
 
-    f = TCPFlow(client_conn, server_conn)
+    f = tcp.TCPFlow(client_conn, server_conn)
     f.messages = messages
     f.error = err
     f.reply = controller.DummyReply()
@@ -110,11 +109,11 @@ def tflow(client_conn=True, server_conn=True, req=True, resp=None, err=None):
         err = terr()
 
     if req:
-        req = HTTPRequest.wrap(req)
+        req = http.HTTPRequest.wrap(req)
     if resp:
-        resp = HTTPResponse.wrap(resp)
+        resp = http.HTTPResponse.wrap(resp)
 
-    f = HTTPFlow(client_conn, server_conn)
+    f = http.HTTPFlow(client_conn, server_conn)
     f.request = req
     f.response = resp
     f.error = err
@@ -126,7 +125,7 @@ def tclient_conn():
     """
     @return: mitmproxy.proxy.connection.ClientConnection
     """
-    c = ClientConnection.from_state(dict(
+    c = connections.ClientConnection.from_state(dict(
         address=dict(address=("address", 22), use_ipv6=True),
         clientcert=None,
         ssl_established=False,
@@ -142,7 +141,7 @@ def tserver_conn():
     """
     @return: mitmproxy.proxy.connection.ServerConnection
     """
-    c = ServerConnection.from_state(dict(
+    c = connections.ServerConnection.from_state(dict(
         address=dict(address=("address", 22), use_ipv6=True),
         source_address=dict(address=("address", 22), use_ipv6=True),
         ip_address=None,
@@ -163,7 +162,7 @@ def terr(content="error"):
     """
     @return: mitmproxy.protocol.primitives.Error
     """
-    err = Error(content)
+    err = flow.Error(content)
     return err