A hackable text editor for the 21st Century
Open Source C & C++ IDE for Windows
wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit
One hundred command line tools in a small and portable binary.
Simple and flexible programming language for applications development
The allRound pocket sized CodeEditor.
An Easy to use Browser Based MarkDown Editor With Live Preview Panel
Web IDE in single HTML file
Portable multi-file text editor & the smallest full-function vi clone
IDLE Extensions
A modern, lightweight yet powerful text editor
Graphical User Interface for PanDoc for Linux, Mac & Windows
Small, powerful, full featured WYSIWYG editor
Edit the OCR text layer of DjVu documents in a web browser
FCKeditor (retired)
Tools to support the learning of the C programming language