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The only Portable WebSocket/Comet Framework supporting Scala, Groovy and Java
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Atmosphere is a POJO based framework using Inversion of Control (IoC) to bring Push/Comet and Websocket to the masses! Finally a framework which can run on any Java based Web Server, including Tomcat, Jetty, GlassFish, Weblogic, Grizzly, JBossWeb and JBoss, Resin, etc. without having to learn how Comet or WebSocket support has been differently implemented by all those Containers. The Atmosphere Framework has both client (Javascript, JQuery, GWT) and server components.

Framework like Jersey, GWT, Wicket, Vaadin, Guice, Spring, JSF, Scalatra, Grails etc are supported. You can use Scala, JRuby, Groovy and Java to write Atmosphere application. Mssive scalability with our Cluster plugin architecture (JGroups, JMS/ActiveMQ, Redis, XMPP, etc.)

Follow us on Twitter or get the latest news here

The Atmosphere Framework ships with a JQuery Plug In that can be used with any Comet or WebSocket Framework:

Getting started

Latest Publications

AtmosphereHandler, Meteor, REST Resource or Native WebSocket

Devoxx 2011 - Writing highly scalable WebSocket using the Atmosphere Framework

Download Atmosphere Whitepaper

White Paper

Browse JavaDoc


If you are using Maven, just add the following dependency:


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

Download samples

Download the sample, rename the file without the maven version

Atmosphere 0.8.1 is our official release see what's changed since 0.7.2, and our work in progress version is 0.9, targeted for end of December 2011

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

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