Simple, efficient background processing for Ruby

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

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

Cron jobs in Ruby

🔬 A Ruby library for carefully refactoring critical paths.

A Ruby gem to load environment variables from `.env`.

Simple, but flexible HTTP client library, with support for multiple backends.

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

Ruby implementation of GraphQL

Rails for API only applications

Sequel: The Database Toolkit for Ruby

Ruby: parallel processing made simple and fast

Actor-based concurrent object framework for Ruby

A fast, powerful type checker designed for Ruby

Versioned database views for Rails

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 micro library providing Ruby objects with Publish-Subscribe capabilities

Chronic is a pure Ruby natural language date parser.

Manages application of security headers with many safe defaults

Hashie is a collection of classes and mixins that make Ruby hashes more powerful.

Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.

Roo provides an interface to spreadsheets of several sorts.

RSpec tests for your servers configured by CFEngine, Puppet, Chef, Ansible, Itamae or anything else even by hand

An awesome replacement for acts_as_nested_set and better_nested_set.

Ruby and Rails efficient Kafka processing framework

a sampling call-stack profiler for ruby 2.2+

Routing Tree Web Toolkit

Data mapping and persistence toolkit for Ruby