This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.


        # Gem::Exception < RuntimeError

(from ruby core)
Base exception class for RubyGems.  All exception raised by RubyGems are
a subclass of this one.


This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.