RailSide

RailSide screenshots

RailSide is OS X’s first native Ruby on Rails editor.
RailSide 1.1 : Main screen

Alternative downloads

jalada RailMadness
Rail Madness brings the classic wooden rail on your computer.
EasyEclipse Server Java
1.2
FREE
For development of server-side Java applications. such as JavaServer Pages.
BitNami RubyStack
3.2.7
FREE
Provides a complete, ready-to-run development environment for Ruby on Rails.