The administration framework for Ruby on Rails applications.
Track changes to your models' data. Good for auditing or versioning.
ActiveRecord backend integration for DelayedJob 3.0
Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.
The PDF::Reader library implements a PDF parser conforming as much as possible to the PDF specification from Adobe.
Rails plugin for OAuth
Manage Procfile-based applications
Break Apart Documents into Images, Text, Pages and PDFs
Simple library which makes it easy to add caching to all your external API calls.
An evented http server built on top of eventmachine
A lightweight, flexible library for Facebook with support for OAuth authentication, the Graph and REST APIs, realtime updates, and test users.