PGCrypto is an ActiveRecord::Base extension that allows you to asymmetrically encrypt PostgreSQL columns with as little trouble as possible. It's totally freaking rad.

ActiveRecord extensions for PostgreSQL. Provides useful tools for schema, foreign_key, index, function, trigger, comment and extension manipulations in migrations.

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Ruby port of the slick pChart charting library

Components allow you to call other actions for their rendered response while executing another action

provides a readable but terse enum facility for Ruby

resque plugin for automatically scaling workers based on the amount of time it takes a job to go through the queue and/or the length of the queue

Will add a counter for enqueuing, performing, failing and timing Jobs

An elasticsearch wrapper for mongoid odm based on slingshot. Makes integration between ElasticSearch full-text search engine and Mongoid documents seemless and simple.

Roman numeral converter

This module aims to be a complete implementation of JSON-RPC 1.1 and 2.0.

Test a JSON-API using rspec and simple get/put/post/delete helpers

Rspec custom formatter to generate pretty html results

Data mining and machine learning algorithms for JRuby

An ActiveRecord-style API wrapper for TheMovieDB.org

Simple Role System for Rails Apps

Generate Social Buttons for your Rails apps

Spinning Cursor is a flexible DSL that allows you to easily produce a customizable waiting/loading message for your Ruby command line program. Beautifully keep your users informed with what your program is doing when a more complex solution, such as a progress bar, doesn't fit your needs.

This client library records Ruby on Rails exceptions to Squash.

StaticMatic helps you quickly create maintainable Amazon S3 static websites using tools such as Haml and Sass. Quickly deploy to services such as Amazon S3 in a single command.