Gems collection Some interesting gems to consider. Data FriendlyId ActsAsTaggableOn Mongoid Taggable With Context Kaminari MetaSearch QueryMemcached Populator Moneta Users & management CanCan Devise RailsAdmin OmniAuth View Responders SimpleForm Formstatic WysiHat Cufon Compass Fluid 960 Grid System Compass Magick Sassy Buttons for Compass svgweb Uploading files CarrierWave Paperclip d2s3 - direct to S3 Apache upload progress module jQuery Sammy onProximityFade File Upload Face detection Back Button & Query Hashchange Sausage I18n Rack Locale Tolk Tools UglifyJS git-extras Rails ERD Awesome Print Laser Debugging railsbench Rack::Bug memprof Testing Dominator.js Faker Factory Girl Cucumber See also http://ruby-toolbox.com/ http://railswizard.org/