The aim of Net::DHCP is to provide a set of classes to low level handle the DHCP protocol (rfc2131, rfc2132, etc.). With Net::DHCP you will be able to craft custom DHCP packages and have access to all the fields defined for the protocol.

A plugin for Cramp that enables websockets using the Socket.io protocol

Give your application or gem an interactive shell, complete with custom prompts, tab completion, and various callbacks. Commands are defined as Ruby methods and can be grouped into logical subshells.

Baton

A framework for modelling the impact of real-world entities.

Leap to conclusions

Provides development and test environment for Brighter Planet's impact model libraries.

Automatically annotate your Rails models whenever you run a db:migrate

Tools for building gems and such

Define strategies for accessing and displaying a subset of your classes' attributes

CO2Equivalents converts everyday units of measurement into human-grokable units. For instance, you can convert kilograms of CO2 into "number of cars on the road for a day." It also adds the ability to list out a group of equivalences.

A software model in Ruby for the greenhouse gas emissions of a computer's computations

Access your Concur data via OAuth

Check out http://duosecurity.com for more info

Defines Enumerable#hashify, which creates a hash with the enumerable's elements as keys and with a given constant value or with block-computed values

Utility library to simplify dealing with multitudes

Add concur oauth support to your rails/ruby app

Creating collages, demotivators and other handy stuff with RMagick

Bindings to the Tcl interpreter for use from within ruby.

A gem for monitoring the carbon footprint of your ruby app