RubyMine — the Natural Choice for Rails 3

Ruby and Rails IDE with the full stack of essential developer tools, all tightly integrated into a convenient
and smart development environment.

• Intelligent Ruby Editor with completion, code snippets and automatic refactorings
• On-the-fly code analysis throughout the project tree with type inference and quick-fixes
• Rails Models Diagram, Rails Project View and other specialized project/file views for faster overview & navigation
• RSpec, Cucumber, Shoulda & Test::Unit coding assistance and GUI-based test runner

• Web Development with all Ruby on Rails framework versions from 2.x to 3.x
• Cutting-edge Ruby development stack support: Bundler, RVM, etc.
• HTML, CSS and JavaScript editing with auto completion and refactorings. Plus CoffeeScript, HAML, SASS, and LESS
• Zen coding snippets for productive HTML/CSS authoring
• JavaScript debugger based on Mozilla Firefox and Google Chrome

• Ruby Debugger: Ruby/Rails applications and tests debugging in a easy-to-use interface even in Windows
• Git, Subversion, Mercurial, Perforce and CVS integration with a unified UI
• Diff, merge, history views and changelists for every supported VCS
• Bundled Textmate, NetBeans, Eclipse & Emacs keyboard schemes, plus Vi/Vim emulation plugin
• Runs on Windows, Mac OS X or Linux