Static pages https://github.com/thoughtbot/high_voltage
Omniauth-linkedin https://github.com/skorks/omniauth-linkedin
Twitter Tokens https://dev.twitter.com https://dev.twitter.com/apps/3195339/settings
Facebook tokens https://developers.facebook.com/ https://developers.facebook.com/apps/267956699982721/summary?save=1
Flickr Tokens http://www.flickr.com/services/apps/72157631519532662/
Social media http://i4p.readthedocs.org/en/develop/index.html
Rails Admin https://github.com/sferik/rails_admin/wiki
CanCan https://github.com/ryanb/cancan