Web Application Framework written in Ruby
Rack middleware for blocking & throttling
The administration framework for Ruby on Rails applications
Ruby's bikeshed-proof linter and formatter
A GitHub Pages compatible Table of Contents generator
Chrome extension for Rails development
The official AWS X-Ray Recorder SDK for Ruby
OmniAuth is a flexible authentication system utilizing Rack middleware
Mxx_ru is a cross-platform build tool for C/C++.
Visual Studio .vc[x]proj to CMakeLists.txt (make, Ninja ...) enabler
Package manager for Chrome OS
Web development IDE in browser, supports Java, ruby, javascript...etc
A complete multi-language developement stack for GNU/Linux