AuthHelpers is a collection of modules and controllers to extend your Authlogic models. Currently it supports Confirmable and Recoverable behavior.

A rails plugin/gem to kill N+1 queries and unused eager loading

A rails plugin to store a collection of boolean attributes in a single ActiveRecord column as a bit field.

Debugging toolbar for Rack applications implemented as middleware

Log parser to identify actions which significantly increase VM heap size

A clean, simple, and unobtrusive ruby authentication solution.

Rails authentication with email & password.

Allows the use of most functionality from ActiveRecord without a database

Framework for JavaScript Testing (currently a Rails Plugin)

A Mac OS X preference pane for easily configuring Rails applications with Passenger.

Tagging that doesn't want to be on steroids. It's skinny and happy to stay that way

SQrbL: Making database migrations suck less since July 2009!

Easily share your content with other social networking sites

Keep a DRY history of your ActiveRecord models' changes

View testing that doesn't suck.

Monk, the glue framework for web development.

A Rails plugin to add helpers and other stuff to make use of Ext.js easier

awesome gem hosting.

Simple and straight forward interfaces to the various shipping web services

Use the observer pattern to better divide your objects' responsibilities.

Better distance of time in words for Rails

The ultimate way to cache Active Record virtual attributes.

Various ways to handle multi-model forms in Rails.

A Ruby API for accessing Freebase. It wraps the Metaweb Architecture to smart Ruby Objects.

Twitter like pagination renderer gem for WillPaginate

Apple Push Notifications on Rails

An RSpec minor mode for Emacs

simple background execution of model methods

ffi based ruby library to access Tokyo Cabinet and Tokyo Tyrant

Import your textexpander abberviations into emacs (abbrev-mode to be precise)