Helium - javascript tool to scan your site and show unused CSS

A Rails application template that sets up your database and installs a ton of plugins.

A library of neat Rails application templates.

Running Long Background Tasks In Ruby On Rails Made Dead Simple

eCSStender enables developers to patch CSS support in browsers and experiment with new features. It also enables designers to keep browser-specific hacks out of their CSS files.

Lightweight Ruby library for the Twitter API that supports both Basic and OAuth authentication.

Standard authentication stack for Rails using Twitter to log in.

A Ruby library for the Disqus commenting API and Javascript widgets.

Rails plugin for auto_complete with jQuery instead of Prototype/Scriptaculous

Rango is ultralightweight, ultracustomizable, ultracool web framework inspired by Django.

Generic interface to multiple Ruby template engines

A plugin for authorization in a ReSTful application

Rails RESTful controller abstraction plugin.

Git/Subversion browser and changeset viewer

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

Version of Savage Beast that is Rails 2.3-compatible

Think of acts_as_tree + acts_as_list, but doing what you want: root categories, subcategories, positions, individual inherited permissions and some script.aculo.us view helpers.

Easy file attachment management for ActiveRecord

A simple pattern for managing flash messages in your Ruby on Rails application.

Rails plugin for integration ckeditor 3.x

Fluid 960 Grid System

Symphony Fluid 960 Grid System Ensemble

Leaner CSS

Extension of the Authlogic library to add Facebook Connect support built upon the excellent facebooker gem