"Alloy is a UI metaframework that provides a consistent and simple API for building web applications across all three levels of the browser: structure, style and behavior.
HTML
HTML5
Reusable markup patterns
Modular
CSS
CSS3
Built upon progressive enhancement
Framework for layout, forms and state interaction
JavaScript
Built on top of YUI3
Small core file size (9kb)
AutoComplete, Dialogs, Panels, Tabs, TreeView & more"
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 (JQuery PlugIn) and server components.
Servlet 3.0 is supported along with framework like Jersey (natively), GWT (natively), Wicket, Guice, Spring etc. and programming language like JRuby, Gr oovy and Scala. We also support massive scalability with our Cluster plugin architecture (JGroups, JMS/ActiveMQ, Redis, XMPP,i etc.)