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


        # OpenSSL::BNError < OpenSSL::OpenSSLError

(from ruby core)
Generic Error for all of OpenSSL::BN (big num)


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.