1. RespondersA set of Rails responders to dry up your application
2. Has scopeMap incoming controller parameters to named scopes in your resources
4. Simple formForms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.
5. Mail formSend e-mail straight from forms in Rails with I18n, validations, attachments and request information.
7. DeviseFlexible authentication solution for Rails with Warden.
8. Show forWrap your objects with a helper to easily show them