Quadbot - Build your own Robot
Eclipse - Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.
Stemi Hexipod - A robot you can create on your own, at home
Netbeans - NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
Erle-Spider - Anyone can now build and communicate with a complex robot.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM