Vagrant is a tool for building and distributing development environments.

Classy web-development dressed in a DSL (official / canonical repo)

Acceptance test framework for web applications

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

Authorization Gem for Ruby on Rails.

Manage Procfile-based applications

Manage your Ruby application's gem dependencies

EventMachine: fast, simple event-processing library for Ruby programs

Code smell detector for Ruby

[DISCONTINUED ] Attributes on Steroids for Plain Old Ruby Objects

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

minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking.

RSpec meta-gem that depends on the other components

Goliath is a non-blocking Ruby web server framework

git deployment made easy

Data mapping and persistence toolkit for Ruby

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

Faker refactored.

Provides a readable API to express expected outcomes of a code example

This project has moved to GitLab! Please check there for the latest updates.

Internationalization (i18n) library for Ruby

Gherkin extension for RSpec

RR (Double Ruby) is a test double framework that features a rich selection of double techniques and a terse syntax.

Simplifies querying of structured data using relational algebra

Ancient mephisto-based blog for JK