ActiveModel + Redis

brings some functional goodness to ruby by giving you some monads

A library and CLI tool for launching services into AWS.

Nagios access at your ruby fingertips

Store nested hashes and other types in ActiveRecord hstores

A command-line wrapper for making REST calls to Sonatype Nexus.

Write-through and Read-through Cacheing for ActiveRecord

Disables observers during testing, allowing you to write model tests that are completely decoupled from the observer.

Deliver your notifications to various services.

Render your notifications in various contexts.

Integrates with your authentication solution to craft a personalized user notification platform.

Ruby API wrapper for the PagerDuty REST API

Eat Pancake Stacks for Breakfast

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

PAY.JP makes it way easier and less expensive to accept payments.

If you like the straight forward and effective nature of Strong Parameters and suspect that CanCan might be overkill for your project then you'll love Petergate's easy to use and read action and content based authorizations.

A Ruby wrapper for the Pocket API v3 (Add, Modify and Retrieve)

The official Ruby wrapper for the Podio API used and maintained by the Podio team

Config. Defined as a class. Used as an instance. Support for inheritance and composition. Lazy instantiation. Thread-safe. Command-style DSL. Validation layer. Support for YAML, TOML, JSON, __END__, ENV. Extremely simple to define. Extremely simple to use.

Quality is a tool that runs quality checks on your code using community tools, and makes sure your numbers don't get any worse over time. Just add 'rake quality' as part of your Continuous Integration