Awesome Ruby

The Official Ruby Object Mapper for MongoDB

JRuby, an implementation of Ruby on the JVM

☁️ Try the demo project of any Android Library

A ruby implementation of the RFC 7519 OAuth JSON Web Token (JWT) standard.

The official AWS SDK for Ruby

Versioned database views for Rails

Audited (formerly acts_as_audited) is an ORM extension that logs all changes to your Rails models.

A pure Ruby code highlighter that is compatible with Pygments

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

Debugging in Ruby

A micro library providing Ruby objects with Publish-Subscribe capabilities

File Attachment toolkit for Ruby applications

OpenAI API + Ruby! 🤖❤️ GPT-5 & Realtime WebRTC compatible!

A high performance implementation of the Ruby programming language, built on GraalVM.

Take a peek into your Rails applications.

Parse Photoshop files in Ruby with ease

HTTP (The Gem! a.k.a. http.rb) - a fast Ruby HTTP client with a chainable API, streaming support, and timeouts

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

Transform ML models into a native code (Java, C, Python, Go, JavaScript, Visual Basic, C#, R, PowerShell, PHP, Dart, Haskell, Ruby, F#, Rust) with zero dependencies

Multithreaded, Postgres-based, Active Job backend for Ruby on Rails.

Easy activity tracking for models - similar to Github's Public Activity

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

A Ruby gem to transform HTML + CSS into PDFs using the command-line utility wkhtmltopdf

Feature flippers.

A Ruby Library for dealing with money and currency conversion.

Search Engine Optimization (SEO) for Ruby on Rails applications.

Patch-level verification for Bundler

Boot large Ruby/Rails apps faster

ComfortableMexicanSofa is a powerful Ruby on Rails 5.2+ CMS (Content Management System) Engine

Notifications for Ruby on Rails applications

Ruby production code coverage collection and reporting (line of code usage)

Sampling CPU profiler for Ruby

Ruby Date Recurrence Library - Allows easy creation of recurrence rules and fast querying

A make-like build utility for Ruby.

scheduler for Ruby (at, in, cron and every jobs)

🎹🎸A music theory library with a command-line interface

All sorts of useful information about every country packaged as convenient little country objects. It includes data from ISO 3166 (countries and states/subdivisions ), ISO 4217 (currency), and E.164 (phone numbers).

Build reactive applications with the Rails tooling you already know and love.

🕰️ Monitor your cron jobs

ruby bindings to libgit2

A very fast & simple Ruby web server

Ruby and Rails efficient Kafka processing framework

The push notification service for Ruby.

Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?

Easiest way to add multi-environment yaml settings to Rails, Sinatra, Padrino and other Ruby projects.

Manage translation and localization with static analysis, for Ruby i18n

:briefcase: Manage application specific business logic.

A super efficient Amazon SQS thread based message processor for Ruby.

Data mapping and persistence toolkit for Ruby

Heavy metal SOAP client