Ruby on Rails

Simple, efficient background processing for Ruby

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

Deploy web apps anywhere.

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

A guide to contributing to open source

A performance dashboard for Postgres

Track changes to your rails models

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

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.

Rack middleware for blocking & throttling

No Longer Maintained - A lightning fast JSON:API serializer for Ruby Objects.

Fast, Nimble PDF Writer for Ruby

🏆 The Best Pagination Ruby Gem 🥇

Business intelligence made simple

The open source error catcher that's Airbrake API compliant

Catch unsafe migrations in development

A library for bulk insertion of data into your database using ActiveRecord.

A Ruby client library for Redis

[DISCONTINUED ] Attributes on Steroids for Plain Old Ruby Objects

Profiler for your development and production Ruby rack apps.

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

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

A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and Da…

A Ruby code quality reporter

Debugging in Ruby 2

Sync data from one Postgres database to another

Feature flippers.

mini replacement for RMagick

Rails application preloader