Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
Cleartext - A text editor that allows only the 1,000 most common words
The up-goer five text editor - A tool to track your use of the top 1000 most popular words
Smart Text Editor - The text editor that requires only a browser and a keyboard
Left - A minimalist multi-platform text editor
Textmate - TextMate brings Apple's approach to operating systems into the world of text editors.