JetBrains RubyMine v4.0.3 | 111MB

JetBrains RubyMine — Ruby and Rails IDE with the full stack of essential developer tools, quite tightly integrated into a convenient and smart environment for Ruby programming and Web expanding with Ruby on Rails.
The ~land focus of RubyMine 4 is performance. At the same time the fresh release brings improvements to all aspects of your collaboration by IDE. Take a look on the greatest in quantity considerable changes of the forthcoming disengage.

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

Web Development with all Ruby on Rails framework versions from 2.x to 3.x
Cutting-brink; beginning 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 because of productive HTML/CSS authoring
javascript debugger based in c~tinuance Mozilla Firefox and Google Chrome

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