This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Gem::Specification.summary (from ruby core) --- A short summary of this gem's description. Displayed in `gem list -d`. The #description should be more detailed than the summary. Usage: spec.summary = "This is a small summary of my gem"
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.