JetBrains RubyMine — Ruby and Rails IDE with the full stack of essential developer tools, all tightly integrated into a convenient and smart environment for Ruby programming and Web development with Ruby on Rails.

Key Features

* Intelligent Editor: code completion, code snippets and automatic refactorings
* Project Navigation: wide range of views and one-click jumping between components
* Error-Free Coding: on-the-fly code analysis and type inference
* Web Development with Ruby on Rails (including best-of-breed HTML, CSS and javascript editing support)
* RSpec, Cucumber, Shoulda and Test::Unit coding assistance and GUI-based test runner
* Ruby Debugger: full support for Rails applications debugging and easy-to-use interface
* VCS Integrations: Git, Subversion, Perforce and CVS with changelists and merge
* Open API and Plugin Development SDK, ensuring IDE extensibility and flexibility