- Frameworks of Scalability
- Links – Expressão Regular
- JRuby e Java – Como realizar deploy em um servidor web
- FriendlyId is the “Swiss Army bulldozer” of slugging and permalink plugins for ActiveRecord. It allows you to create pretty URL’s and work with human-friendly strings as if they were numeric ids for ActiveRecord models
- acts_as_paranoid for Rails 3 & 4
- Turbo-charged counter caches for your Rails app.