Mondrian is a cross-platform project-manager and editor
for the Ruby language.
Written in 100% native Ruby using the FOX GUI toolkit,
Mondrian has the familiar look and feel of a modern IDE.
Some features include:

    * a dynamic object browser
    * runtime error integration
    * a full-featured project manager
    * syntax highlighting
    * runs identically on Windows and Linux

WWW:	http://www.mondrian-ide.com/