Mozc - a Japanese Input Method Editor designed for multi-platform
Lightweight Markdown app to help you write great sentences
jEdit is a programmer's text editor written in Java.
Portable multi-file text editor & the smallest full-function vi clone
One hundred command line tools in a small and portable binary.
A tool for Visual Transcriptions of biblical texts at INTF and ITSEE
HTML/CSS/JS and Markdown Playground For Web Designers and Developers
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Small, powerful, full featured WYSIWYG editor
A Java class library of general usability
jsvim 4: xvi online
LaTeX, AscciMath and MathML editor developed in Javascript and HTML
web editor with on the fly result
ogeditor is Web-based simple CMS with powerful WYSIWYG/Script editor
A prototype extensible XML editor based on Mozilla technology
A wysiwyg HTML editor that uses the Mozilla Composer codebase