VisualVM - All-in-One Java Troubleshooting Tool. VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling capabilities. Designed for both production and development time use, it further enhances the capability of monitoring and performance analysis for the Java SE platform.
THIS PROJECT HAS MOVED: http://code.google.com/p/flying-saucer/.
Flying Saucer: an all-Java XHTML + CSS Renderer.
The source code is hosted on GitHub, here: http://github.com/flyingsaucerproject/flyingsaucer
jVoiceBridge is a software-only audio mixer written in the JavaTM Programming Language that handles Voice over IP (VoIP) audio communication and mixing for tasks such as conference calls, voice chat, speech detection, and audio for 3D virtual environments. jVoiceBridge supports a range of voice qualities from telephone to CD-quality. In addition, it supports stereo audio and the ability for each individual connected to the bridge to have their own private voice mix.