Awesome Gems

Flexible authentication solution for Rails with Warden.

Seamless JWT authentication for Rails API

Rails authentication with email & password.

Token based authentication for Rails JSON APIs. Designed to work with jToker and ng-token-auth.

Magical Authentication

Minimal authorization through OO design and pure Ruby classes

The authorization Gem for Ruby on Rails.

Role management library with resource scoping

Yet another role-based authorization system for Rails

Facebook OAuth2 Strategy for OmniAuth

Oauth2 strategy for Google

OmniAuth Oauth2 strategy for weibo.com.

OmniAuth strategy for Twitter

GitHub strategy for OmniAuth

A LinkedIn OAuth2 strategy for OmniAuth.

Enumerated attributes with I18n and ActiveRecord/Mongoid support

Turbo-charged counter caches for your Rails app.

Custom counter_cache functionality that supports conditions and multiple models.

Generate scoped sequential IDs for ActiveRecord models

FriendlyId is the “Swiss Army bulldozer” of slugging and permalink plugins for ActiveRecord. It allows you to create pretty URL’s and work with human-friendly strings as if they were numeric ids for ActiveRecord models.

AASM - State machines for Ruby classes (plain Ruby, ActiveRecord, Mongoid, NoBrainer, Dynamoid)

Track changes to your rails models

acts_as_paranoid for Rails 3, 4 and 5

Rails I18n de-facto standard library for ActiveRecord model/data translation.

This gem gives every ActiveRecord::Base object the possibility to do a deep clone that includes user specified associations.

Check how many times url was shared in social networks, e.g. share counts

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

Just the right amount of Rails eager loading

A tagging plugin for Rails applications that allows for custom tagging along dynamic contexts.

Easily and efficiently make your ActiveRecord models support hierarchies

Store different kind of actions (Like ❤️, Follow 👁, Star ⭐, Block ...) in one table via ActiveRecord Polymorphic Association.

The Ruby Spreadsheet by ywesee GmbH

Create beautiful JavaScript charts with one line of Ruby

⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps

Ckeditor 4.x integration gem for rails

HTML processing filters and utilities

A simple wrapper for posting to slack channels

Generate Entity-Relationship Diagrams for Rails applications

Shell commands for development, staging, and production parity for Heroku apps

Airbrussh pretties up your SSHKit and Capistrano output

An opinionated framework for creating REST-like APIs in Ruby.

ActiveModel::Serializer implementation and Rails hooks

Jbuilder: generate JSON objects with a Builder-style DSL

Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions.

Map incoming controller parameters to named scopes in your resources

Add OAPI/swagger v2.0 compliant documentation to your grape API

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

Preview mail in the browser instead of sending.

Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

Offload CarrierWave's image processing and storage to a background process using Delayed Job, Resque, Sidekiq, Qu, Queue Classic or Girl Friday.

Carrierwave extension to crop uploaded images using Jcrop plugin with preview.

This gem allows you to simply optimize CarrierWave images via jpegoptim or optipng.

Rails jQuery file uploads via standard Rails "remote: true" forms.

mini replacement for RMagick

The Ruby cloud services library.

Ruby file uploads, take 3

Easy file attachment management for ActiveRecord

File Attachment toolkit for Ruby applications

Object-based searching.

Elasticsearch integrations for ActiveModel/Record and Ruby on Rails

High-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client

pg_search builds ActiveRecord named scopes that take advantage of PostgreSQL’s full text search

Solr-powered search for Ruby objects

Intelligent search made easy

Cron jobs in Ruby

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.

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

Database based asynchronous priority queue system -- Extracted from Shopify

Simple, efficient background processing for Ruby

NO LONGER MAINTAINED Recurring jobs for Sidekiq

Scheduler / Cron for Sidekiq jobs

Lightweight job scheduler extension for Sidekiq

Sucker Punch is a Ruby asynchronous processing library using concurrent-ruby, heavily influenced by Sidekiq and girl_friday.

A Rails form builder plugin with semantically rich and accessible markup.

Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.

Rails plugin to conveniently handle multiple models in a single form.

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

Rails view helper to manage "active" state of a link

View components for Ruby and Rails.

A Rails select form helper using country codes for I18n translations

A Rails plugin to populate a state/province select box from country_select

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

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

Simple Rails app configuration

A Ruby gem to load environment variables from .env.

Flat skin for active admin.

RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data

A Rails engine that helps you put together a super-flexible admin dashboard.

A modern, responsive admin framework for Ruby on Rails

Rails Plugin that tracks impressions and page views

Simple, powerful, first-party analytics for Rails

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

Debugging in Ruby 2

Step-by-step debugging and stack navigation in Pry

Rails >= 3 pry initializer

Pretty print your Ruby objects with style -- in full color and with proper indentation

Rails Console on the Browser.

Rails application preloader

Every Rails page has footnotes that gives information about your application and links back to your editor

The Kernel.g that works like Kernel.p by using terminal-notifier or growl.

Send User Notifications on macOS from the command-line.

Preview mail in the browser instead of sending.

Better error page for Rack apps

Retrieve the binding of a method's caller in MRI 1.9.2+

Chrome extension for Rails development

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

a code metric tool for rails projects

Quick automated code review of your changes

RSpec for Rails 5+

Acceptance test framework for web applications

A Capybara driver for headless WebKit to test JavaScript web apps

Personal import of the selenium-webdriver for ruby

A PhantomJS driver for Capybara

Gem to implement PageObject pattern in watir-webdriver and selenium-webdriver

A library for setting up Ruby objects as test data.

Factory Bot ♥ Rails

A gem that helps you generate your factory files.

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

Simple one-liner tests for common Rails functionality

Provide rspec matchers to match http response code

Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites

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 DateTime.now in a single call.

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.

A static analysis security vulnerability scanner for Ruby on Rails applications

Patch-level verification for Bundler

Manages application of security headers with many safe defaults

Remote multi-server automation tool

Rack::Timeout enhancements for Rails

Rack middleware for blocking & throttling

A set of Rails responders to dry up your application

Best practices for running Rails in production

Blazing fast application deployment tool.

Exception tracking and logging from Ruby to Rollbar

The official Airbrake library for Ruby applications

The open source error catcher that's Airbrake API compliant

Rails Database Viewer and SQL Query Runner

ExecJS runtime with persistent connection to nodejs