Automatically display online/offline indication to your users

Simple pub/sub messaging for the web

Moving the HighLine source from RubyForge

REST Adapter for DataMapper

Apache WebSocket module

(maintained) A tool for crafting Ruby gems with the help of bundler

ActiveRecord-style associations and miscellaneous fixes for nested ActiveResources

DRMAA C wrapper for Ruby 1.9

Net::DHCP Library for ruby, originally written by etd, http://rubyforge.org/projects/netdhcp/

Ruby on Rails stylesheet engine for Sass

A DataMapper plugin that allows nested model assignment like activerecord.

An Asynchronous Conditional Resource Loader

A minimal Ruby interface to libtcl (originally by Sam Stephenson)

Ruby gem to provide server side connector to elFinder (open-source file manager for web)

A collection of tweaks to improve your Rails (3.1+) development experience.

It's a small library to provide the I18n translations on the Javascript. It comes with Rails support.

Brings Rails named routes to javascript

Rack middleware to handle raw file uploads

A gem to automate using MooTools with Rails 3

Liquid markup language. Safe, customer facing template language for flexible web apps.

Inherited Resources speeds up development by making your controllers inherit all restful actions so you just have to focus on what is important.

DataMapper - Core

Library for performing validations on DM models and pure Ruby object

Brings Rails named routes to javascript

Net::DHCP Library for ruby, originally written by etd, http://rubyforge.org/projects/netdhcp/

Warbl pushes Google+ posts to your Twitter feed.

A collection of tweaks to improve your Rails (3.1+) development experience.

Object mapping plugin for KnockoutJS

Authorization Gem for Ruby on Rails.

A plugin to make datamapper active_model compliant and thus compatible with rails3