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.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This version supports dynamically creating states and transitions, thus the server side implementation can verify whether transitions are possible or not given the state of your resource. This allows HATEOS work through the resource public API (its links).
