Apache NetBeans
jEdit is a programmer's text editor written in Java.
Cross-platform text and code editor
A simple and easy-to-use but yet powerful line-oriented text editor.
Nyquist is a language for sound synthesis and music composition.
phpFileManager a complete filesystem management tool on a single file.
The allRound pocket sized CodeEditor.
Simple and flexible programming language for applications development
A Shell Script for Quizzing the whole class of students and log result
Web IDE in single HTML file
Open Source C & C++ IDE for Windows
Tools for developing qooxdoo Web apps
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
A wysiwyg HTML editor that uses the Mozilla Composer codebase