Apache NetBeans
A free C, C++ and Fortran IDE
Lightweight and easy to use cross-platform C++ IDE
Learn Java the easy way!
Customizable multiplatform development environment.
LiteIDE is a simple, open source, cross-platform Go IDE.
A hackable text editor for the 21st Century
Eclipse plugin for VCS ClearCase
CodeLite: an open source, cross platform C/C++/PHP and JavaScript IDE
A lightweight programming environment for Java
Electronic design and programming tools suite like Eagle, MpLab
Pure Trait-based Programming on the Java Platform
A modernized, platform independant version of Dev-C++