Open-source real-time framework for Web, Mobile & Internet of Things.

The Autobahn project provides open-source implementations of the WebSocket and WAMP protocols. WebSocket allows bidirectional real-time messaging on the Web and WAMP adds asynchronous Remote Procedure Calls and Publish & Subscribe on top of WebSocket.

Autobahn is a community project started and sponsored by
Explore the Autobahn subprojects and gallery:

Autobahn|Python is a WebSocket / WAMP library for Python 2 and 3 on Twisted and asyncio

  • create WebSocket clients and servers
  • create WAMP clients and servers
  • highly conformant, performant and flexible

Autobahn|JS is a WAMP client library that works with any WAMP server

  • add WAMP connectivity to HTML5 apps
  • upcoming: long-poll fallback (old browsers)
  • upcoming: Node.js support

Autobahn|Android is a WebSocket / WAMP client library written in Java for Android

  • add WebSocket connectivity to apps
  • add WAMP connectivity to apps
  • optimized for Android

Autobahn|Testsuite is a comprehensive protocol test suite for verifying WebSocket implementations

Open source multi-protocol application router based on Autobahn and WAMP.

  • RPC and PubSub for distributed applications
  • Direct-to-database messaging
  • No application server needed

Project Site
REone business app built with Crossbar.io on Oracle
Connected Car demo built with Crossbar.io
3D desktop-to-mobile built with Crossbar.io
Arduino real-time charting built Autobahn