- testify 7 Testify is a test framework framework. Think "Rack for testing."
- bloodlines 4 This is the bloodlines web game, written and maintained by the Hyland boys.
- classy 4 A collection of modules to enhance the capabilities of Ruby classes in various ways.
- test_kicker 4 A lightweight autotester based on Kicker and Testify
- classifier 3 A general classifier module to allow Bayesian and other types of classifications.