rcov: code coverage for Ruby eigenclass
Overview and discussion of rcov, the Ruby code coverage analysis tool. rcov can be useful for testing, optimizing and understanding Ruby programs. Available as a gem or installable from source.
Sake Bomb! PJ Hyett and Chris Wanstrath
Using rake system wide with the sake gem. Also includes a variety of useful rake tasks.
Vendor Everything Chris Wanstrath
Explains how to use gem unpack to put all your gems into the vendor directory, so other developers and your test and production servers are sure to have the same gems.