Awesome Ruby

Preview mail in the browser instead of sending.

HTML Abstraction Markup Language - A Markup Haiku

☁️ Try the demo project of any Android Library

Simple Rails app configuration

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

A Really Ruby Mail Library

The official AWS SDK for Ruby

General ruby templating with json, bson, xml, plist and msgpack support

Ruby on Rails CRM platform

Versioned database views for Rails

PDF generator (from HTML) plugin for Ruby on Rails

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

A framework for building reusable, testable & encapsulated view components in Ruby on Rails.

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

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

The advanced business logic framework for Ruby.

Interactor provides a common interface for performing complex user interactions.

A pure Ruby code highlighter that is compatible with Pygments

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

Rails Composer. The Rails generator on steroids for starter apps.

Debugging in Ruby

A micro library providing Ruby objects with Publish-Subscribe capabilities

File Attachment toolkit for Ruby applications

Chronic is a pure Ruby natural language date parser.

Easily include static pages in your Rails app.

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

High performance memcached client for Ruby

Your Rails variables in your JS

Logic-less Ruby templates.

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

Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms

Go faster, off the Rails - Benchmarks for your whole Rails app

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

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

acts_as_paranoid for Rails 5, 6 and 7

Feature flippers.

A Ruby Library for dealing with money and currency conversion.

Roo provides an interface to spreadsheets of several sorts.

mini replacement for RMagick

Rails application preloader

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