Autobahn WebSockets for Python provides an implementation of the WebSockets protocol which can be used to build WebSockets clients and servers.

• supports RFC 6455, Hybi-10+ and Hixie-76 protocol versions
• supports RPC/PubSub over WebSockets (WAMP - see below)
• usable for clients and servers
• easy to use basic API
• advanced API for frame-based/streaming processing
• very good standards conformance (see below)
• fully asynchronous Twisted-based implementation
• supports secure WebSockets (TLS)
• Open-source (Apache 2 license)

Native support:

• Google Chrome 14+
• Mozilla Firefox 7+
• Microsoft Internet Explorer 10+
• Safari 5+
• Android Firefox Mobile 10+ (on ARMv7)
• Google Chrome for Android (on ICS+)
• Safari iOS
• HP Touchpad Browser

Support via Adobe Flash 10+:

• Microsoft Internet Explorer 8, 9
• Google Chrome 4 - 13
• Mozilla Firefox 3 - 6
• Android WebKit on ARMv7/Flash

Support via Google Chrome Frame:

• Microsoft Internet Explorer 6 - 9

Autobahn WebSockets also provides an implementation of the

WebSocket Application Messaging Protocol (WAMP) http://autobahn.ws/wamp

which can be used to build applications around Remote Procedure Call and Publish & Subscribe messaging patterns.

• provides RPC and PubSub messaging
• built on JSON and WebSockets
• simple and open protocol
• usable for clients and servers
• companion client libraries for jQuery and Android

For more information, please visit: http://autobahn.ws/developers

Get in touch on IRC #autobahn on chat.freenode.net or join the mailing list on http://groups.google.com/group/autobahnws.