Manage complex tmux sessions easily
Vagrant is a tool for building and distributing environments
Versatile PDF creation and manipulation for Ruby
Chrome extension for Rails development
JSON implementation for Ruby
A runtime developer console and IRB alternative
A simple, Git-powered wiki with a local frontend
Better error page for Rack apps
Marathon supports testing of Java/Swing and Java/Fx applications.
Music score editor
Makes it easy to build a list of frameworks
Development of a plugin based dev tool for RPG Maker
Optimized serialization library for Ruby objects.
A light and easy to use programmer's editor for windows