ActiveRecord::JSONValidator makes it easy to validate JSON attributes with a JSON schema.

Out-of-Band Server Triggered DOM Operations

Test your Rails Engines without needing a full Rails app

High Performance JSON Serialization for ActiveRecord & Ruby Objects

Provides enum-like fields for ActiveRecord, ActiveModel and Mongoid models.

Library for building Telegram Bots with Rails integration

Securely search encrypted database fields

A command-line tool that helps you summarize and pretty-print collaborators in a git repository based on contributions Generates stats like: - Number of files changed by a user - Number of commits by user - Lines of code by a user'

A simple way to use GitHub OAuth to serve a protected jekyll site to your GitHub organization.

An interface to the libmemcached C client.

A library for specifying, quering, and enumerating recurring events for calendars in Ruby.

Presenting names of people in full, familiar, abbreviated, and initialized forms (but without titulation etc)

Cache utilities.

Offsite Payments is a simple abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to put as simple an abstraction as possible on top of offsite (often called hosted) payment pages, and allow contributors to easily help services such as Shopify extend the number of offsite payment services they support.

Don’t fool around with adding tracking partials to your app and concentrate on the things that matter.

ripple is an object-mapper library for Riak, the distributed database by Basho. It uses ActiveModel to provide an experience that integrates well with Rails 3 applications.

Cache utilities.

Squib is a Ruby DSL for prototyping card games

Transpec converts your specs to the latest RSpec syntax with static and dynamic code analysis.

Whois Parser is a WHOIS parser written in pure Ruby. It can parse and convert responses into easy-to-use Ruby objects.