This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Encoding::ConverterNotFoundError < rb_eEncodingError (from ruby core) --- Raised by transcoding methods when a named encoding does not correspond with a known converter. ---
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.