What is Twisted?

Twisted is an event-driven networking framework written in Python and licensed under the  MIT license.

Twisted projects variously support TCP, UDP, SSL/TLS, multicast, Unix sockets, a large number of protocols (including HTTP, NNTP, IMAP, SSH, IRC, FTP, and others), and much more.

What else would you like to do?

• Read about people who have been successful with Twisted.
• Learn what other projects are using Twisted.
• Get in touch with other Twisted users and developers.
• Contribute to Twisted.

Downloading

You can download:

•  Twisted 2.4.0 tarball
•  Twisted 2.4 Win32 installer for Python 2.3
•  Twisted 2.4 Win32 installer for Python 2.4

For more information about Twisted, including release notes, please see the Twisted project page. You can get older releases from our  download site.

(If you are looking for the older Twisted 1.3 release, see the  old download page. Twisted 1.3 is deprecated, but may still be required by some third-party applications.)

Documentation

A good starting point are the  core developer guides ( PDF) and  API reference. Sub-project documentation ( conch, etc.) is available from the appropriate project pages. You can also purchase the book  Twisted Network Programming Essentials by Abe Fetting, published by O'Reilly.

Web Development

If you're here to learn about web development with Twisted, please read this page first!

About Twisted Matrix Laboratories

Twisted Matrix Laboratories is a distributed group of  open-source developers working on a number of projects based around Twisted.

Contributing

Want to help Twisted, but don't have any spare time? If you appreciate Twisted and want to help the community and future development, consider a monetary donation. This is not tax deductable. Donations will be used mostly towards payment of hosting costs.

Twisted Network Programming Essentials

That's right, the first Twisted book is finally here. Thanks to Abe Fettig for writing it and O'Reilly for publishing it: Twisted is going to be much improved for it. And this is definitely the coolest O'Reilly book cover there is.

News

Twisted 2.4.0 2006-05-25

Including updates to Words, Web, Names, Mail, Conch, and more. See TwistedProject.

Twisted Sprint in Sydney

Twisted's Australian hackers are converging in Sydney on the June 3-4 weekend. If you are Australian and think you might be made of internet, find out more about the SydneySprint

Twisted 2.2.0 2006-02-12

Twisted 2.2.0 is out. See TwistedProject.

Twisted (core) 2.1.0 + First Virtual Sprint (2005-10-09)

In Twisted's first virtual sprint the weekend of 2005-10-08, many people contributed to Twisted in general and helped get the Twisted 2.1.0 release out. See the Twisted project page and read about what's new. Australian Twisted Sprint 2005.2 (2005-08-07)

A Twisted Sprint will be held in Sydney Australia on the 19-21 August 2005. Topics will probably include documentation, a VFS layer (including WebDAV support), the new Axiom database, and whatever else anyone can think of. For more information, please see the Australian Twisted Sprint Wiki.

Thanks to Linux Australia for funding this sprint.

Twisted 2.0.1 NOW released (2005-05-25)

Twisted 2.0.1 is now out. This is a minor release, only including bugfixes since 2.0.0. One of the most important fixes was a bug causing many gtk GUI apps to crash. Twisted News is now properly included in the Sumo release. Enjoy.