The NetBeans project is supported by a vibrant developer community and offers extensive documentation and training resources as well as a diverse selection of third-party plugins.
NetBeans IDE 6.7 is integrated with Project Kenai, a collaborative environment for developers to host open-source projects. With Kenai and the NetBeans IDE, a team of developers is able to create projects, check out, edit, debug, build, discuss, and commit code, all through one easy-to-use interface!
Grab your copy now. http://www.netbeans.org/downloads