Twisted is an asynchronous networking framework written in python. It is used
by most of the servers, clients and protocols that are part of other
Twisted projects.

    * twisted.cred, a pluggable authentication system for servers;
    * twisted.enterprise, an asynchronous adapter of Python DB-API 2.0 database
      interfaces;
    * twisted.internet, the Twisted event loop;
    * twisted.manhole, a debugging service;
    * twisted.persisted, a collection of object persistence systems
    * twisted.protocols, a collection of simple network protocols and helper
      utilities;
    * twisted.python, a set of Twisted programming abstractions;
    * twisted.spread, a network transport, serializer and object broker;
    * twisted.trial, a unit-testing framework; and

WWW:	http://twistedmatrix.com/