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Red5 is a server that not only streams content to the Flash plugin, but it can push calls and information to the Flash client! It can also receive video/audio/data from a flash client and either save or rebroadcast that content.
RedlineSmalltalk
Redline is a thoroughly modern version of Smalltalk that runs on the Java Virtual Machine.
Restlet Framework
Restlet is a lightweight REST framework for Java that lets you embrace the architecture of the Web and benefit from its simplicity and scalability. Leverage its innovative REST engine and start blending your Web Sites and Web Services into uniform Web Applications.
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