lostboy

workless. Extension for Delayed Job to only run workers when needed on Heroku

slideshare. Ruby interface for Slideshare's API

publishus. Simple publishing extension for vestal_versions

thinking-sphinx. Sphinx plugin for Rails and Merb

paperclip. Easy file attachment management for ActiveRecord

tabs_on_rails. Tabs on Rails is a simple Rails plugin for creating and managing tabs and navigation menus.

simple_datatables. Simple Datatables.net integration for rails 3.1

rack-ip-whitelist. Simple IP Whitelisting middleware for Rack servers

carrierwave. Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

state_machine-mongoid. state_machine mongoid integration

dalli. High performance memcached client for Ruby

s3-swf-upload-plugin. A rails 3 gem which allow user upload files to S3 through an embedded flash directly. All UI has been moved out of flex and can be controlled by CSS and JavaScript callbacks.

semantic-menu. A plugin to make rails menus easier to write

maptastic. Formtastic extension for selecting locations on a Google Map

cloudfront_asset_host. Easy deployment of your assets on CloudFront for Rails

rubyamf. Ruby

ec2-boot-init. Tool to help boot EC2 instances via user and meta data

fog. The Ruby cloud services library.

spree-heroku. Spree extension for hosting Spree on Heroku

devise. Flexible authentication solution for Rails with Warden.