c0va23

rails

Ruby on Rails

capistrano

A deployment automation tool built on Ruby, Rake, and SSH.

faker

A library for generating fake data such as names, addresses, and phone numbers.

liquid

Liquid markup language. Safe, customer facing template language for flexible web apps.

resque

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

whenever

Cron jobs in Ruby

compass

Compass is no longer actively maintained. Compass is a Stylesheet Authoring Environment that makes your website design simpler to implement and easier to maintain.

cancan

Authorization Gem for Ruby on Rails.

nokogiri

Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

formtastic

A Rails form builder plugin with semantically rich and accessible markup.

rspec-rails

RSpec for Rails 6+

thor

Thor is a toolkit for building powerful command-line interfaces.

delayed_job

Database based asynchronous priority queue system -- Extracted from Shopify

faye

Simple pub/sub messaging for the web

mongoid

The Official Ruby Object Mapper for MongoDB

clearance

Rails authentication with email & password.

high_voltage

Easily include static pages in your Rails app.

cells

View components for Ruby and Rails.

rspec-metagem

RSpec meta-gem that depends on the other components

inherited_resources

shoulda

Makes tests easy on the fingers and the eyes

delayed_job

Database backed asynchronous priority queue -- Extracted from Shopify

has_scope

Map incoming controller parameters to named scopes in your resources

jammit

Industrial Strength Asset Packaging for Rails

railscasts

railscasts.com in open source (outdated).

gravtastic

Add Gravatars to your Rubies/Rails (and now Javascript)!

spawnling

spawn gem for Rails to easily fork or thread long-running code blocks

symbolize

Symbolize attribute values in ActiveRecord or Mongoid (nicer enums)

embedded-actions

A Rails plugin that lets you embed actions in your views (with caching and response_to support)

rails-runit

Run Rails reliably as runit services