Clone or just download this blank project and have a instant working Rails 3 project with the following:
- MongoDB (http://mongodb.org)
- Mongo Mapper (http://mongomapper.com)
- Devise (https://github.com/plataformatec/devise)
- CanCan (https://github.com/ryanb/cancan)
- OmniAuth (https://github.com/intridea/omniauth)
- Twitter Bootstrap (http://twitter.github.com/bootstrap)