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 Twisted is available under the MIT Free Software licence. WWW: http://twistedmatrix.com/ -- Neal Nelson