User AuthenticationRuby36,153EditAllow users to authenticate with your app by providing them with dedicated user
accounts. Authenticate with email and password or via Facebook or Twitter oAuth. User Authorization23,064Rubypundit, cancan and 10 more »Authorize user actions on resources based on policies, abilities or roles.
Authenticate your users beforehand.cancancan, rolify, authority, the_role, access-granted, acl9, six, SimonSays, consul, Royce, canard, know_it_all, access-granted, challah, roleable, aegis, authorization-san, easy_roles, cantango, permitters41228