Editors and IDE's for Ruby on Rails development

You can find IDE's and Editors from the following list......

http://netbeans.org/downloads/ - Freeware

http://sourceforge.net/projects/radrails/ - Freeware

http://redcareditor.com/ - Freeware

http://macromates.com/  (For Mac OS)

http://www.e-texteditor.com/ (Text Editor)

http://www.sapphiresteel.com/ (Best IDE for those who knows .NET)

http://www.ruby-ide.com/ruby/ruby_ide_and_ruby_editor.php

http://www.jetbrains.com/ruby/index.html


Any feedback/comments/suggestions appreciate...!!!!!!!!!!
I hope this will be helpful to you.......;-)