"Simple library which makes it easy to add caching to all your external API calls."
official ruby bindings for various EFL libraries from svn.enlightenment.org
soup.io-Plugin for rbot, possibly also extractable and usable without rbot
fast code profiler for Ruby
This is the Ruby D-Bus tutorial. It aims to show you the features of Ruby D-Bus and as you read through the tutorial also how to use them.