Open Source JavaScript User Interface (UI) Software

Rico is a JavaScript library for creating rich internet applications. Version 1 is JavaScript only. Versions 2 & 3 include server-side code (asp, asp.net, and php) to make creating web apps even easier. Versions 1 & 2 are based on Prototype and include grids, calendar & tree controls, drag & drop, and cinematic effects. Version 3 goes beyond Prototype, and includes support for jQuery, MooTools, Dojo, Ext, and BBC Glow libraries. Version 3 is only available in the SVN repository. The rico3.net branch includes a .net server control.

Easy-to-use, open source web development platform. Visual, drag and drop tools allow anyone to create web apps with minimal learning curve. Java architecture: Spring, Hibernate, Ajax Dojo toolkit, MySQL, PostgreSQL, HSQLDB (bundles w HSQLDB)

Xeditium is a framework of extensible XML document editior/browser with Swing and Web interfaces on a recursive bootstrap mechanism of JavaWebStart. It launches Tapestry/Jetty httpd internally and serves dynamic generated JNLP files.

ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.