Thanks to the growing popularity of the framework, Commercial Support is now available via Async-IO.org Want the project to stay alive? Please donate by visiting the Async-IO.org and click on donate button!

The Atmosphere Framework contains client and server side components for building Asynchronous Web Application. The majority of popular frameworks are either supporting Atmosphere or supported natively by the framework. The Atmosphere Framework supports all majors Browsers and Servers

Atmosphere transparently supports WebSockets, Server Side Events (SSE), Long-Polling, HTTP Streaming (Forever frame) and JSONP.

Get started using this step by step tutorial

Our Wiki contains several tutorials for getting started as well as FAQ. You can also browse the framework's Javadoc for Server Components, and atmosphere.js for Client Components

The Atmosphere's Framework ships with many examples describing how to implements WebSockets, Server Side Events, Long Polling, Http Streaming and JSONP client's application. Take a look at this page to pick the best sample to starts with.

     <dependency>
         <groupId>org.atmosphere</groupId>
         <artifactId>atmosphere-{atmosphere-module}</artifactId>
         <version>1.0.12</version>
      </dependency>

Where atmosphere-module can be: jersey, runtime (main module), guice, jquery, redis, hazelcast, jms, jgroups or gwt. Our official release are available from Maven Central download.

IMPORTANT: Migrating 0.x to the new 1.0 API

Take a look at the PubSub Client-Server or the infamous Chat Client-Server to realize how simple Atmosphere is!

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     <dependency>
         <groupId>org.atmosphere</groupId>
         <artifactId>atmosphere-{atmosphere-module}</artifactId>
         <version>1.1.0.RC1</version>
      </dependency>

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Atmosphere 1.0.12 is our official release, and our work in progress version is 1.1, targeted for end of End of April 2013

If you are interested, subscribe to our mailing list for more info! We are on irc.freenode.net under #atmosphere-comet

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1.0 release: 1.0.11 1.0.10 1.0.8 1.0.6 1.0.5 1.0.4 1.0.3 1.0.2 1.0.1 1.0

0.9 release: 0.9.7 0.9.5 0.9.4 0.9.2/0.9.3 0.9.1 0.9.0

0.8 release: 0.8.6 0.8.5 0.8.4 0.8.3 0.8.2 0.8.0

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