allows you to grab a method's docu at runtime
Ruby Imperative Random Data Generator and Quickcheck
A minimalist RSpec clone with all the essentials.
interactive Ruby
Turns Ruby into a versatile command line utility
The gem that has been saving people from typos since 2014
Type Signature for Ruby
Debugging functionality for Ruby
Airbnb 的 Ruby 代码风格指南
IRB on a diet, for MacRuby / Ruby 1.9
Exercise for Week 7 of Class.
Interactive Ruby Tools - Improved irb and rails console with a lot of easy and powerful tools.
Get up and going with a good set of pry tools right away.
A Lisp dialect of Ruby
A runtime developer console and IRB alternative with powerful introspection capabilities.
Whoa — rking's Ruby Workflow tools