Raganwald's Gems

#	Total Rank	Daily Rank	Name	Summary
1	3,163	3,818	andand	Maybe Monad in idiomatic Ruby.
2	32,005	55,103	ick	Invocation Construction Kit
3	36,370	44,662	lazylist	Implementation of lazy lists for Ruby
4	36,498	35,238	rewrite	Syntactic metaprogramming for Ruby