Use migrations and simple syntax to manage constraints in PostgreSQL DB.

Basic functionality for connecting and making requests on EPP (Extensible Provisioning Protocol) servers

Ernicorn is a BERT-RPC server packaged as a gem.

A fast, micro-framework for Ruby that should be run under EventMachine servers (thin)

Firewool blocks and allows IPs to your controller actions.

foursquare-api is a Ruby wrapper for the new Foursqauare V2 API

Gem to parse the utmz, utmb and utma tracking coockies used by Google Analytics.

Make existing code into a gem, without any fuss.

Query the MaxMind GeoIP data records via a web service

For those that use Kanban or Scrum and want to print their cards so they can stick em on the wall

A Ruby interface to Gmail API (NO IMAP, NO SMTP). Search, read and send multipart emails; archive, mark as read/unread, delete emails; and manage labels. Everything is done through the Gmail API without going through IMAP or SMTP Protocol

Gopher2000 is a ruby-based Gopher server. It is built for speedy, enjoyable development of all sorts of gopher sites.

Wrapper for the Groupon API

GS2 is a gyrokinetic flux tube initial value turbulence code which can be used for fusion or astrophysical plasmas. CodeRunner is a framework for the automated running and analysis of large simulations. This module allows GS2 (and its sister code AstroGK) to harness the power of the CodeRunner framework.

Handshake is an informal AOP and design-by-contract system written in pure Ruby. It's intended to allow Ruby developers to apply simple, clear constraints to their methods and classes.

A simple way to grab recent activity on a given model grouped by hour, day, week or month (time series). Supports "padding" for intervals without activity.

This gem adds a helper and generator to facilitate the use of Head JS in your Rails 3 projects the same way you would normally add javascript tags using Rails default helpers.

Simple Heatmap generator in Ruby. (Requires ImageMagick)

Simple utility to pull image urls from web page

A gem to help improve logging. Focused on request tracing and cross app tracing.