Rails

ActiveMockerzeisler/active_mocker

Generate ActiveRecord model mocks for fast unit tests that don't require Rails or a database.

shakapackershakacode/shakapacker

A modern Webpack/Rspack integration for Rails that manages JavaScript modules and assets with support for hot module replacement.

activerecord-typedstorebyroot/activerecord-typedstore

Adds type definitions, validations, and default values to ActiveRecord::Store for structured JSON/HStore columns in Rails.

ShowForheartcombo/show_for

A Rails helper gem for quickly displaying model attributes and associations with I18n support and customizable HTML output.

DeepPluckkhiav223577/deep_pluck

A Ruby gem that efficiently plucks attributes from nested ActiveRecord associations without loading full records.

emojiwpeterson/emoji

A Ruby gem for working with emoji unicode characters, names, and image assets in web applications.

algoliasearch-railsalgolia/algoliasearch-rails

A Ruby gem for integrating Algolia's search API with ActiveRecord, Mongoid, and Sequel ORMs.

rails_semantic_loggerreidmorrison/rails_semantic_logger

Replaces the Rails default logger with Semantic Logger for structured, JSON-formatted logging in production.

ZapataNedomas/zapata

An automatic test writer for Ruby on Rails that generates RSpec specs by analyzing your codebase.

loafpeter-murach/loaf

A lean Ruby gem for managing and displaying breadcrumb navigation trails in Rails applications.

Slowpokeankane/slowpoke

A Rails gem that enhances Rack::Timeout with safer service timeouts, dynamic timeouts, and custom error pages.

EveryDocsjonashellmann/everydocs-core

A self-hosted document management system for personal use with PDF upload, organization, and full-text search.

prerender_railsprerender/prerender_rails

Rails middleware gem for on-the-fly prerendering of JavaScript-rendered pages to improve SEO for crawlers.

bulma-railsjoshuajansen/bulma-rails

A Ruby gem that integrates the Bulma CSS framework with Rails asset pipeline for building responsive web interfaces.

Rakismetjoshfrench/rakismet

Easy Akismet and TypePad AntiSpam integration for Rails and Rack applications to filter comment spam.

Less Railsmetaskills/less-rails

A Rails gem that integrates the Less CSS preprocessor into the Rails 5+ asset pipeline.

refinerycms-blogrefinery/refinerycms-blog

A simple blog engine extension for Refinery CMS with posts, categories, and comment moderation.

ActiveValidatorsfranckverrot/activevalidators

A collection of pre-built, tested ActiveModel/ActiveRecord validators for common data formats like email, phone, and credit cards.

kt-paperclipkreeti/kt-paperclip

Easy file attachment management for ActiveRecord with image processing, validation, and multiple storage backends.

API GuardGokul595/api_guard

A JWT-based authentication gem for Rails APIs with token refreshing, blacklisting, and easy integration.

PermenantRecordsJackDanger/permanent_records

A Rails plugin for soft-deleting ActiveRecord records by setting a deleted_at timestamp instead of permanent deletion.

Action caching for Action Packrails/actionpack-action_caching

A Rails gem providing action-level caching that runs through the full controller stack, allowing authentication and filters.

Ruby Invoicing Frameworkcode-mancers/invoicing

A Ruby framework for generating and displaying invoices with flexible business logic, tax handling, and multi-currency support.

ActiveFlagkenn/active_flag

Store up to 64 boolean flags in a single integer column with ActiveRecord using bit arrays.

typescript-railstypescript-ruby/typescript-rails

A Rails asset pipeline wrapper for TypeScript that enables .ts file compilation in the Asset Pipeline and ActionView templates.

commudlecommudle/commudle

A community interaction and management platform for tech communities, focused on efficient event organization and member engagement.

ferrycmu-is-projects/ferry

A Ruby command-line gem for Rails data migration, export/import, and manipulation across multiple formats and databases.

passbookfrozon/passbook

A Ruby gem for generating Apple Wallet passes (pkpass files) for iOS 6+.

Todoist Tributerohitpaulk/todoist-tribute

A full-featured Todoist clone built with Ruby on Rails and Vue.js for task and project management.

activerecord-analyzepawurb/activerecord-analyze

A Ruby gem that adds EXPLAIN ANALYZE to Rails Active Record queries for PostgreSQL performance analysis.

Health Monitor Railslbeder/health-monitor-rails

A Rails plugin that adds a health checking and monitoring API for databases, caches, queues, and other services.

SecondBasecustomink/secondbase

A Rails gem for seamless second database integration, extending ActiveRecord tasks to manage dual databases.

JSONAPI::Utilstiagopog/jsonapi-utils

A Ruby gem that simplifies building JSON API-compliant APIs on Rails with minimal learning curve.

Rayguncarbonfive/raygun

A Rails application generator that creates new projects pre-configured with Carbon Five's best practices and common customizations.

Petergateelorest/petergate

A Rails authorization gem offering easy-to-read action and content-based permissions with a straightforward syntax.

active_snapshotwestonganger/active_snapshot

A Ruby gem for creating and restoring explicit snapshots of ActiveRecord models and their associations with a transparent, white-box design.