Rares's Gems

#	Total Rank	Daily Rank	Name	Summary
1	12,924	36,562	option	Ruby port of Scala's Option Monad
2	41,912	69,059	acts_as_filterable	Filter attributes and stuff.
3	82,214	51,811	queued	Call any ActiveRecord instance method as though it was a Resque job
4	96,009	51,811	rack_upstream_identification	Middleware that injects upstream server info into the response