A simple gem for using Backbone with Rails (>= 3.1), based on thoughtbot's 'Backbone.js on Rails'

Browserify + Rails = CommonJS Heaven

Out-of-Band Server Triggered DOM Operations

Test your Rails Engines without needing a full Rails app

Compile Haml CoffeeScript templates in the Rails asset pipeline.

Interactor Rails provides Rails support for the Interactor gem.

Captcha Gem for Rails, which generates captcha image by Rust.

AngularJS style CSRF protection for Rails

Integrates Cypress and Playwright with Rails or Rack applications

Bootstrap CSS (with Sass flavour) and JS toolkits for Rails 3 projects

A form builder that dresses every field a page asks for, the components Bootstrap ships behavior for and no markup — a combobox, a 6-digit code, a dialog, a toast, a thread of messages — and the one stylesheet and script that carry them, served by the engine.

PJAX integration for Rails

Rails performance tests (removed from core in Rails 4.0)

Track Devise login activity

Adds Minitest as the default testing library in Rails

Integrates ServiceWorker into the Rails asset pipeline.

Present clean and usable API documentation generated from RSpec API Documentation JSON output.

devise masquerade library

Use the GraphiQL IDE for GraphQL with Ruby on Rails. This gem includes an engine, a controller and a view for integrating GraphiQL with your app.

Spending hours in the rails console? Spruce it up and show off those hard-working hands! jazz_hands replaces IRB with Pry, improves output through awesome_print, and has some other goodies up its sleeves.