Editor for Fixed Width, Csv and Existing Xml files.
An editor for structured documents
Simple and flexible programming language for applications development
Web IDE in single HTML file
IDLE Extensions
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
HTML/CSS/JS and Markdown Playground For Web Designers and Developers
Small, powerful, full featured WYSIWYG editor
A free universal Braille Transcriber
Advanced multiplatform text editor for developers
LaTeX, AscciMath and MathML editor developed in Javascript and HTML
web editor with on the fly result
A wysiwyg HTML editor that uses the Mozilla Composer codebase