Want to automatically detect mobile devices that access your Rails application? Mobile Fu allows you to do just that. People can access your site from a Palm, Blackberry, iPhone, iPad, Nokia, etc. and it will automatically adjust the format of the request from :html to :mobile. Included some specific changes.

This Modernizr.js was built using the at http://www.modernizr.com/download/ with all options enabled.

Rails mountable Notification for any applications.

OpenConferenceWare is an open source web application for events and conferences. This customizable, general-purpose platform provides proposals, sessions, schedules, tracks and more.

Realtime remote form input validations delivered via websockets

An easy extension for Paperclip to crop your image uploads using jCrop

A Rails interface for Intuit's Quickbooks Web Connector that's OPEN SOURCE!

Because you don't allow strangers into your app, and OAuth 2.0 is the new awesome.

Rails 3 compatible generators for gems that don't have them yet

Performance profiling for your Rails app, made simple

Hotwire compatible authentication for Ruby on Rails apps

Plugin for Spork to support Rails.

Extends ActiveRecord::Store.store_accessor

Tarantula is a big fuzzy spider. It crawls your Rails 2.3 and 3.x applications, fuzzing data to see what breaks.

X-editable for Rails

Use searchable selects based on Select2 in Active Admin forms and filters.

ActiveFedora provides for creating and managing objects in the Fedora Repository Architecture.

ActsAsBookable is a reservation engine for Rails applications that allows resources to be booked. You can define availability rules for bookable models and set costraints to implement different types of booking (hotels, theaters, meeting rooms...)

Simple geocoding for Active Record models. See the README for more details.

Bootstrap Forms makes Twitter's Bootstrap on Rails easy to use by creating helpful form builders that minimize markup in your views.