This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# IPAddr.reverse (from ruby core) --- reverse() --- Returns a string for DNS reverse lookup. It returns a string in RFC3172 form for an IPv6 address.
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.