A very basic reservation system using ActiveRecord

Make your reserved words on Rails

Access control for single resource and it's methods

Simple response caching for Ruby applications

Seamless integration of resque with resque-progress and resque-lock

A Rails engine port of the Sinatra app that is included in Chris Wanstrath's resque gem.

A Rails UI for Resque for managing workers, failures and schedules.

Restraunt serves your data via auto-defined RESTful API on your rails application.

A gem which implements a standard api_key / secret authentication system for your Ruby on Rails RESTful web services.

RetentionMagic is a drop-in gem for instantly generating insightful graphs that tell you how your app users are activating and how your app's retention and churn is.

A way to integrate AngularJS into a Rails project using CoffeeScript and Bower.

Provides integration between ridgepole and rails 5 newer

Provides several useful patterns, such as Enumerated, Command, Enquiry, Query, QueryFilter, Service and Presenter, packaged in a gem, for use in Rails and other Ruby applications.

Template Handler for JSON

Render markdown in Rails views or partials.

RocketCMS

Unintrusive interactive API documentation generator for rails apps

roda-rails offers integration for Roda when used as Rack middleware in a Rails application. It allows the Roda middleware to use Rails flash handling as well as Rails' CSRF support.

jQuery plugin to provide easy way to handle DOM elements by role attribute

Bundle and transpile JavaScript in Rails with rollup.js.