This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# OpenSSL::Cipher::Cipher < OpenSSL::Cipher (from ruby core) --- Deprecated. This class is only provided for backwards compatibility. Use OpenSSL::Cipher. ---
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.