An opinionated framework for creating REST-like APIs in Ruby.

⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps

OmniAuth is a flexible authentication system utilizing Rack middleware.

A runtime developer console and IRB alternative with powerful introspection capabilities.

Complete Ruby geocoding solution.

Manage Procfile-based applications

Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions.

Database based asynchronous priority queue system -- Extracted from Shopify

Computing-focused community centered around link aggregation and discussion

a code metric tool for rails projects

A fast, powerful type checker designed for Ruby

An attempt to tame Rails' default policy to log everything.

Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

A Ruby code quality reporter

Rails Composer. The Rails generator on steroids for starter apps.

Rails application preloader

The Ruby community's gem hosting service.

A platform for developing apps using JRuby on Android.

Ruby/Git is a Ruby library that can be used to create, read and manipulate Git repositories by wrapping system calls to the git binary.

A parser for InnoDB file formats, in Ruby

Simple yet powerful ruby ffmpeg wrapper for reading metadata and transcoding movies

Ruby/ProgressBar is a text progress bar library for Ruby.

Votable ActiveRecord for Rails

Guides for Ruby and Elixir and whatever else I feel like

Opinionated tool for creating and managing Rubygem projects

DEPRECATED: As of sprockets-rails version 3.1.0, used in current versions of rails, this gem is deprecated

What ActiveModel left out

Robust subscription support for Rails with Stripe.

Ruby interface to GitHub API

A framework for building distributed social network websites