Apache NetBeans
A fast and lightweight IDE
The IDE for competitive programming
Lightweight Java IDE with syntax highlighting and convenient features.
jEdit is a programmer's text editor written in Java.
Nyquist is a language for sound synthesis and music composition.
Vampirio Code, a great Code Editor and Compiler
A visual-based IDE for C language uses block drag and drop technology
Tools for developing qooxdoo Web apps
An open source gui frontend application for GNU Octave
Jxt4RunPlusJ is a source code editor and creator.
Mini Java IDE and Swing builder
A code editor for the D programming language
AndroidIDE is an IDE for Android to develop full featured Android apps