netbeans java

db4o (database for objects) is the open source object database (Java and .NET)

A Java-based calendaring system which allows you to plan your day.

Mule ESB is a lightweight Java-based enterprise service bus (ESB).

KonaKart is a java-based enterprise eCommerce / shopping cart application

Check that class target versions are as expected in a Java jar.

SwiftGantt is a open source java swing Gantt Chart component

A framework for static html macros in Java to generate elaborate boilerplate.

The OpenERP is an enterprise management software written in Java.

Generates sample Java code to do 378 types of I/O.

This Applet will help you write Java code.