Simple, efficient message processing for Ruby

Using Crockford Base32

A Really Ruby Mail Library

Simple, efficient background processing for Ruby

A general classifier module to allow Bayesian and other types of classifications.

Sentiment Server for Socialvolt

Providing additional churn metrics over the original metric_fu churn

The missing package manager for OS X.

Rspec-2 runner and formatters

Flexible authentication solution for Rails with Warden.

Improved Geohash Gem for Ruby

wok the social graph

Octopress is an obsessively designed framework for Jekyll blogging. It’s easy to configure and easy to deploy. Sweet huh?

All 5 Code Katas

A set of exercises for learning Clojure

A rich Ruby API and DSL for the ElasticSearch search engine/database

Resque is a Redis-backed Ruby library for creating background jobs, placing those jobs on multiple queues, and processing them.

A generic swappable back-end for JSON handling.

IRC bot with meme-generator feature

Embed the Mozilla Rhino Javascript interpreter into Ruby

Modular Street Address Geocoder

Real HTTP Caching for Ruby Web Apps

See how ready your Ruby code is to run on JRuby