Provide dynamic information about resources via OPTIONS’ HTTP method on a RESTful design over the Ruby on Rails framework.
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.
A telnet server with chrooting, whitelisting, and other security features.
A tool that analyzes RCS files and emits an equivalent history in the form of a fast-import stream.