Help out your favorite open source projects and become a better developer while doing it.

Manage complex tmux sessions easily

A static analysis security vulnerability scanner for Ruby on Rails applications

YARD is a Ruby Documentation tool. The Y stands for "Yay!"

Warbler chirpily constructs .war files of your Ruby applications.

help to kill N+1 queries and unused eager loading

Discover your ranking on github :

DataMapper - Core

A Ruby/Rack web server built for parallelism

Help your favorite open source projects

'httpclient' gives something like the functionality of libwww-perl (LWP) in Ruby.

Code style checking for RSpec files

Shoes 4 : the next version of Shoes

Debugging in Ruby 2

OmniAuth is a flexible authentication system utilizing Rack middleware.

A library for setting up Ruby objects as test data.

A library for setting up Ruby objects as test data.

Loomio is a collaborative decision making tool

Membership management for hacker/makerspaces

Rack-based asset packaging system

An API focused facade that sits on top of an object model.

Web dashboard for SmokeDetector.

an application that automates the lifecycle of servers

Data Analysis in RUby

Adds support for creating state machines for attributes on any Ruby class

HTTP (The Gem! a.k.a. http.rb) - a fast Ruby HTTP client with a chainable API, streaming support, and timeouts

Fast, Nimble PDF Writer for Ruby

Simple microblogging network based on the ostatus protocol.

Sentry SDK for Ruby

The Rails application that powers OpenStreetMap

Ruby ORM for Amazon's DynamoDB.

Simple JavaScript Duckumentation generator.

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.

Lint tool for Chef cookbooks.

Rails plugin to conveniently handle multiple models in a single form.

Pure Ruby LDAP library

Active Record, improved. Live again :)

The Ruby community's gem hosting service.

Generates attr_accessors that encrypt and decrypt attributes

A framework for building reusable, testable & encapsulated view components in Ruby on Rails.

A platform for developing apps using JRuby on Android.

Ruby on Rails CRM platform

Volunteer management system for nonprofit CASA, which serves foster youth in counties across America.

A platform for community discussion. Free, open, simple.

A Rails gem that lets you code surveys, questionnaires, quizzes, etc... and add them to your app.

Simple Rails app configuration

The authorization Gem for Ruby on Rails.

A make-like build utility for Ruby.

A Ruby implementation of an Event Store based on Active Record

A Ruby web framework where your Ruby runs on both server and client

Magical authentication for Rails 3 & 4