CRUD through HTTP is a good step forward to using resources and becoming RESTful. Another step further into it is to make use of hypermedia-based services and the Restfulie gem allows you to do it very quickly.
Provide dynamic information about resources via OPTIONS’ HTTP method on a RESTful design over the Ruby on Rails framework.
A peer-to-peer network-based digital currency.
A tool that makes it easier to resolve TCP/IP connection errors.