hashie / hashie

Hashie is a collection of classes and mixins that make Ruby hashes more powerful.

grodowski / undercover

undercover warns about methods, classes and blocks that were changed without tests, to help you easily find untested code and reduce the number of bugs. It does so by analysing data from git diffs, code structure and SimpleCov coverage reports

varvet / pundit

Minimal authorization through OO design and pure Ruby classes