Rails

foremforem/forem

Open source software for building online communities, powering platforms like dev.to.

Sidekiqmperham/sidekiq

Simple, efficient background job processing for Ruby applications using Redis.

PgHeroankane/pghero

A performance dashboard for Postgres that provides insights into query performance, index usage, and database health.

Octiconsprimer/octicons

A scalable set of SVG icons handcrafted by GitHub for GitHub and other applications.

kaminarikaminari/kaminari

A scope-based, customizable paginator for Ruby web apps supporting multiple ORMs and template engines.

Punditelabs/pundit

A minimal authorization library for Ruby on Rails using plain Ruby classes and object-oriented design.

simple_formheartcombo/simple_form

A Rails form builder with a simple DSL that generates forms without imposing markup opinions.

Simple Formplataformatec/simple_form

A Rails form builder with a simple DSL that generates forms without imposing markup opinions.

Bulletflyerhzm/bullet

A Ruby gem that detects N+1 queries, unused eager loading, and missing counter caches to improve application performance.

PaperTrailairblade/paper_trail

Track changes to your Rails models for auditing, versioning, and reverting to previous states.

react-railsreactjs/react-rails

Integrate React.js with Rails views, controllers, and asset pipelines for server-side and client-side rendering.

FriendlyIdnorman/friendly_id

A comprehensive slugging and permalink plugin for ActiveRecord that creates human-friendly URLs and works with strings as numeric IDs.

ransackactiverecord-hackery/ransack

A Ruby gem for adding object-based search and filtering to Rails applications without external dependencies.

ransackactiverecord-hackery/ransack

A Ruby gem for adding object-based search and filtering to Rails applications without external dependencies.

Rack Attackkickstarter/rack-attack

Rack middleware for blocking and throttling abusive requests in Ruby web applications.

ActiveModel::Serializersrails-api/active_model_serializers

A Rails library for serializing Active Model objects into JSON, with built-in hooks and flexible adapter support.

webpackerrails/webpacker

A retired Rails gem that integrated Webpack to manage JavaScript modules in Rails applications.

draperdrapergem/draper

A decorator/view-model library for Rails applications that adds an object-oriented layer of presentation logic.

rspec-railsrspec/rspec-rails

RSpec integration for Ruby on Rails, providing a behavior-driven testing framework as an alternative to Minitest.

formtasticformtastic/formtastic

A Rails form builder DSL that generates semantically rich, accessible HTML forms with clean markup.

formtasticjustinfrench/formtastic

A Rails form builder DSL that generates semantically rich, accessible HTML forms with minimal code.

ActsAsTaggableOnmbleigh/acts-as-taggable-on

A Rails plugin for adding flexible, multi-context tagging to ActiveRecord models.

Delayed Jobcollectiveidea/delayed_job

A database-backed asynchronous priority queue system for Ruby on Rails, extracted from Shopify.

Active Merchantactivemerchant/active_merchant

A Ruby payment abstraction library extracted from Shopify, providing a unified interface to dozens of payment gateways.

annotatectran/annotate_models

Automatically adds schema and routes information as comments to Rails ActiveRecord models, fixtures, tests, factories, and routes files.

Jbuilderrails/jbuilder

A simple DSL for declaring JSON structures in Ruby, particularly helpful when generation involves conditionals and loops.

Strong Migrationsankane/strong_migrations

A Ruby gem that catches unsafe database migrations in development for PostgreSQL, MySQL, and MariaDB.

Errbiterrbit/errbit

An open-source, self-hosted error catcher that's Airbrake API compliant for collecting and managing application errors.

Stringerswanson/stringer

A self-hosted, anti-social RSS reader with no external dependencies, keyboard shortcuts, and Fever API support.

Stringerstringer-rss/stringer

A self-hosted, anti-social RSS reader with no external dependencies, keyboard shortcuts, and a clean interface.

rails-i18nsvenfuchs/rails-i18n

A centralized collection of locale data and internationalization (I18n) resources for Ruby on Rails applications.

flipperjnunemaker/flipper

A Ruby gem for beautiful, performant feature flags with granular control and multiple storage adapters.

Ancestrystefankroes/ancestry

A Ruby gem for organizing ActiveRecord models into efficient tree structures using the materialized path pattern.

Figarolaserlemon/figaro

Simple, Heroku-friendly Rails app configuration using ENV and a single YAML file.

rablnesquena/rabl

A Ruby templating system for generating JSON, XML, MessagePack, PList, and BSON API responses in Rails and Padrino.

scenicscenic-views/scenic

Adds methods to ActiveRecord::Migration for creating and managing versioned database views in Rails applications.