Fedie is a project mainly written in JAVASCRIPT and RUBY, it's free.
Fande's Editor : collaborative online source browser and editor
== Welcome to Fedie 1.0
Fedie is a Web collaborative source code editor. It uses mobwrite js to conect peers and make it's main editor a multi user realtime collaborative editr.
== Installing and running
rake db:create
ruby script/server
== Todo
implement user login system
Show which users are editing which files
add Syntax highligth http://helene.muze.nl/ http://codepress.org/ http://codepress.sourceforge.net/ http://ecco.sourceforge.net/
http://marijn.haverbeke.nl/codemirror/