NetBeans IDE 6.0.1

The NetBeans IDE is a free, open-source Integrated Development Environment for software developers. You get all the tools you need to create professional desktop, enterprise, web and mobile applications, in Java, C/C++ and even Ruby. The IDE runs on many platforms including Windows, Linux, Mac OS X and Solaris; it is easy to install and use straight out of the box.
The 6.0 release includes significant enhancements and new features, including a completely rewritten editor infrastructure, support for additional languages, new productivity features, and a simplified installation process that allows you to easily install and configure the IDE to meet your exact needs.
Highlights
Easy-To-Use Java GUI Builder
Create professional-looking Java GUIs by placing and aligning components on a canvas.
Visual Web and Java EE Development
Build standards-based web applications visually using Ajax, CSS, and JSF. Full set of tools for EJB development.
Visual Mobile Development
Create, test and debug GUI applications that run on mobile phones, set-top boxes, and PDAs.
Visual UML Modeling
Separate software design from implementation with UML Modeling.
Ruby and Rails Support
Powerful Ruby editor (with code completion), debugger, and full support for Rails. Includes the JRuby runtime.
C and C++ Development
Full-featured C/C++ editor, debugger, project templates, and support for multiple project configurations