The Firefox plugin, Ubiquity, is an awesome extendable Swiss knife command line of the web. The other day I noticed that Jack Dempsey had written a Ubiquity command for searching the Ruby documentation from APIdock. After quick googling, I found out that different people had done the same for Rails and RSpec as well, based on Jack’s command. Talk about community effort! Here are links to the Ubiquity commands (you need to have Ubiquity installed):