Pulse is a java portal solution providing easy to use, extensible patterns for creating rich browser based web applications and websites. It delivers a set of out-of-the-box components, such as Content Management (CMS), webshops, user management...
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