Apache Tomcat is an open-source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and WebSocket technologies.
Attractive Javascript plotting for jQuery.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Liferay is an open-source company that provides free documentation and paid professional service to users of its software.
Flexible client-side table sorting.