An Open Source lightweight java library(components) for user interface. It looks cool but has a small size. It isn't javabean, but we supply a tool called UIMaker to design the UI for applet or application. And it can be found in http://smartui.sourceforg
MiniPortal is a lightweight JSR-168 compliant portlet container. It does not aim to be a substitute for an enterprise portal, but rather a JAR library with minimal dependencies that can be included in any Java web application.
A base framework of reusable components for kick-starting the development of client and server sides of Rich Internet Applications, using JavaScript in the browser and Java on the server.
Interfuse is a workflow framework that joins ("fuses") the services, rules and objects of a traditional application with user-defined workflow. Interfuse is lightweight and designed to be embedded in existing Java-based applications.
Cross platform and cross browser generic rapid application development studio tool, runs on Java/Reflection, hibernate, spring and DOJO ajax framework. Provides drag and drop design and development of applications live on intranet or internet.