An uroboros program with 100+ programming languages

Classy web-development dressed in a DSL (official / canonical repo)

Cron jobs in Ruby

Chef Infra, a powerful automation platform that transforms infrastructure into code automating how infrastructure is configured, deployed and managed across any environment, at any scale

Twitter Bootstrap for Rails 8

EventMachine: fast, simple event-processing library for Ruby programs

A Ruby client library for Redis

Manages application of security headers with many safe defaults

Visualize your team's metrics all in one place.

self assembling fabric of ruby daemons

Ohai profiles your system and emits JSON

Convergent Replicated Data Types

A Ruby client for the Cassandra distributed database

A minimalist CouchDB client in ruby

a modular Ruby webserver interface | personal fork | PLEASE BRANCH/SEND PULL REQUESTS/FILE BUGS AT rack/rack

A Ruby Statsd client that isn't a direct port of the Python example code. Because Ruby isn't Python.

A RESTful CouchDB client based on Heroku's RestClient and Couch.js - you want the version at http://github.com/couchrest/couchrest

Scheme in as little Ruby and as much Scheme as possible. Supports macros, continuations, tail recursion and lazy evaluation.

OAuth implementation for Ruby. Note official maintained version is now at http://github.com/mojodna/oauth

An Open Web JSON Appliance

A simple, comprehensive Ruby gem for parsing user agent strings with the help of BrowserScope's UA database

Systems testing plugin for Nagios with Cucumber + Webrat + Mechanize + Net::SSH

Ruby version of Protovis, a visualization toolkit.

masquerade is the predecessor of masq: https://github.com/dennisreimann/masq - please consider using masq from now on, as it is the more modular approach.

BERT (Binary ERlang Term) serialization library for Ruby.

Data bag search for Chef Solo

TextMate bundle for the Scala programming language

BERTRPC is a Ruby BERT-RPC client library.

Using AMQP as a Queuing Backend for Web Apps Should Be Easy

A simple class based Config mechanism, similar to the one found in Chef