Fireball.CodeEditor

Fireball.CodeEditor is a source editor control with syntax highlight support. It supports some common programming language and you can add your own syntax. Also on the website you can find a software called FireEdit. It is a open source small code editor with support for extensibility from plugins system, more info on the web site, join the forum and help the staff to add feature and find bugs, by testing the control or the application or by making a plugin.
Category	IDEs
License	GNU Library or Lesser General Public License (LGPL)
HomePage	http://www.dotnetfireball.net/