Use the Bitly API version 4 to shorten or expand URLs. Check out the API documentation at https://dev.bitly.com/.

Support library for Merb

The File System State Monitor keeps track of the state of any number of paths and will fire events when said state changes (create/update/delete). FSSM supports using FSEvents on MacOS, Inotify on GNU/Linux, and polling anywhere else.

This is the strategy for authenticating to your GitLab service

OmniAuth Shibboleth strategies for OmniAuth 2.x

A drop-in replacement for e.g. MemCacheStore to store Rails sessions (and Rails sessions only) in Redis. For great glory!

Tools used by Puppet to parse, validate, and compare Semantic Versions and Version Ranges and to query and resolve module dependencies.

Skylight is a smart profiler for Rails, Sinatra, and other Ruby apps.

Microsoft Azure Commerce Management Client Library for Ruby

Mongoid support for CarrierWave

Provide an easy way to check the consistency of the database constraints with the application validations.

Process your Paperclip attachments in the background with ActiveJob

Droplet Kit is the official Ruby library for DigitalOcean's API

Delegator and SimpleDelegator in Ruby's stdlib are useful, but they pull in most of Kernel. This is not appropriate for many uses; for instance, delegation to Rails Models. DumbDelegator, on the other hand, delegates nearly everything to the wrapped object.

filesize is a small class for handling filesizes with both the SI and binary prefixes, allowing conversion from any size to any other size.

Ruby Gem for using Flowdock's API

Google + Youtube V3 API client.

Rails port of Heroku PG Extras. The goal of this project is to provide a powerful insights into PostgreSQL database for Ruby on Rails apps that are not using the default Heroku PostgreSQL plugin.

Rails plugin for sending asynchronous email with ActionMailer and Resque.

Client library for the Central Authentication Service (CAS) protocol.