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Welcome to Atmosphere: The Asynchronous WebSocket/Comet Framework

The Atmosphere Framework contains client and server side components. The majority of popular frameworks are either supporting Atmosphere or supported natively by the framework(**). Atmosphere can be deployed in any Servlet Container or on top of the Netty Framework

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To use Atmosphere, add the following 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.

Getting started

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

Must read

Writing a REST over WebSocket/Comet apps using JQuery

Which Atmosphere API should I use for my project?

White Paper PDF (a little bit old)

Latest publication

Comet/WebSocket? Introducing the Atmosphere framework

Latest Presentation - Writing highly scalable WebSocket using the Atmosphere Framework

Browse Javadoc

To quickly see what Atmosphere can do with WebSocket and Comet, and If you want to play with Redis, Hazelcast, ActiveMQ(JMS) or XMPP(Gmail), download the JQueryPubSub sample, uncomments the appropriate technology in the pom.xml, re-war the file or manually drop the atmosphere-{technology-name}.jar under your WEB-INF/lib to enabled it automatically

For SNAPSHOT, you'll have to add the Sonatype repo to your settings in order to be able to access the snapshot builds Browse the artifact

Several Samples are available Download the sample, rename the file without the maven version

Atmosphere 0.8.6 is our official release, and our work in progress version is 0.9, targeted for end of Mid April 2012

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

(**) The list include Jersey, GWT, Wicket, Vaadin, JSF, Scalatra, Play!, Grails and more. All JVM based languages are supported. Massive scalability in natively build in and supported by JGroups, Hazelcast, ActiveMQ, Redis and XMPP based server.

Browse sample's code





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