RoRED is a free IDE for Ruby on Rails, currently only for Windows. Here are a few features: * Model-Views-Controller tab grouping for editors * Code navigation,code completion,completions macro, parameters hints for the methods in your projects * Easy switch back and forward between editors * Bookmark, Hyperbookmarks, Macro recording and playback * Persistent layout for each Rails project * Ruby and html/rhtml syntax highliting * and more...