Gems

Devise

A flexible authentication solution for Ruby on Rails applications based on the Warden Rack framework.

Knock

A Rails API authentication gem using JSON Web Tokens (JWT) for seamless token-based authentication.

Clearance

A small, simple, and well-tested Rails authentication engine for email and password authentication.

Devise token auth

Token-based authentication for Rails JSON APIs, seamlessly integrated with Devise and multiple client libraries.

Sorcery

A stripped-down, bare-bones authentication library for Ruby on Rails applications.

Pundit

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

cancancan

An authorization library for Ruby and Ruby on Rails that centralizes permission logic and restricts resource access.

rolify

A simple Ruby role management library with resource scoping, designed to integrate with authentication and authorization gems.

acl9

A concise DSL for role-based authorization in Rails applications, focused on clarity and testability.

omniauth-facebook

A Facebook OAuth2 strategy for OmniAuth, enabling Ruby applications to authenticate users via Facebook.

omniauth-google-oauth2

An OmniAuth strategy for Google OAuth2 authentication in Ruby applications.

omniauth-weibo-oauth2

OmniAuth OAuth2 strategy for integrating Weibo (Sina Weibo) authentication into Ruby applications.

omniauth-twitter

OmniAuth strategy for implementing Sign in with Twitter using OAuth 1.0a in Ruby applications.

omniauth-github

Official OmniAuth strategy for adding GitHub OAuth2 authentication to Ruby applications.

omniauth-linkedin-oauth2

An OmniAuth strategy for LinkedIn OAuth2 authentication in Ruby applications.

Enumerize

A Ruby gem for adding enumerated attributes with I18n support and ORM integrations like ActiveRecord and Mongoid.

counter_culture

A Rails gem providing advanced, flexible counter caches that update on value changes and support multi-level relations.

Sequenced

A Ruby gem that generates scoped sequential IDs for ActiveRecord models to avoid exposing primary keys in URLs.

FriendlyId

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

AASM

AASM is a Ruby library for adding finite state machines to plain Ruby classes and ORM models like ActiveRecord and Mongoid.

PaperTrail

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

paranoia

A Rails gem for soft-deleting records by setting a deleted_at timestamp instead of removing them from the database.

Validates

A collection of custom validators for Rails applications, including email, URL, EAN, and association length validators.

globalize

Rails I18n library for ActiveRecord model translations, enabling multilingual content storage in separate tables.

deep_cloneable

A Ruby gem that adds deep cloning capabilities to ActiveRecord models, including user-specified associations.

social_shares

A Ruby gem to fetch social media share counts for URLs across multiple networks including Facebook, Reddit, and LinkedIn.

public_activity

A Ruby gem for tracking model changes and creating activity feeds in Rails applications, similar to GitHub's public activity.

goldiloader

A Ruby gem that automatically eager loads ActiveRecord associations to prevent N+1 queries without manual configuration.

ActsAsTaggableOn

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

closure_tree

A Ruby gem for efficiently modeling hierarchical data in ActiveRecord using closure tree tables.

ActionStore

A Rails gem for storing polymorphic user actions (likes, follows, stars, etc.) in a single table with ActiveRecord.

Spreadsheet

A Ruby library for reading, writing, and modifying Microsoft Excel-compatible spreadsheet documents (XLS format).

Chartkick

Create beautiful JavaScript charts with one line of Ruby, eliminating the complexity of charting libraries.

kaminari

A scope and engine based, clean, powerful, customizable paginator for Ruby web applications.

CKEditor

A Ruby on Rails integration gem for CKEditor 4.x, providing WYSIWYG editor functionality with file upload support.

HTML::Pipeline

A Ruby framework for defining and applying chainable content filters to transform user-provided text into safe HTML.

Slack Notifier

A Ruby gem for sending notifications to Slack via webhooks with formatting, middleware, and custom HTTP client support.

Rails ERD

Generate Entity-Relationship Diagrams for Rails applications using Active Record model reflection.

Parity

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

Airbrussh

A concise log formatter for Capistrano and SSHKit that pretties up deployment output and saves verbose logs to a file.