RadRails is an open source IDE for the Ruby on Rails framework. Not yet using RadRails 1.0? It's free, feature-rich, and runs in Aptana Studio and Eclipse.
Get it now.
RadRails 1.0 for Aptana Studio is the first major release of theRadRails environment since Aptana became home to the project in 2007.This latest release packs in great features to boost Ruby on Railsapplication development for beginners and advanced users alike.
Highlights
- Integrated Rails shell console
- Default-install and config of Ruby interpreter, database and debugger
(Everything you need to get started fast) - Code completion with type inferencing
- Code assist for Ruby, CSS, JS, and HTML inside RHTML files
- Type hierarchy view
- Go to declaration
- Call hierarchy
- Full implementation of RDT (Eclipse's Ruby Development Tools project)
- Integrated Profiler (Pro Version Only)
http://www.aptana.com/radrails