Rares's Gems

#	Total Rank	Daily Rank	Name	Summary
1	13,495	24,666	option	Ruby port of Scala's Option Monad
2	43,622	57,730	acts_as_filterable	Filter attributes and stuff.
3	84,399	57,730	queued	Call any ActiveRecord instance method as though it was a Resque job
4	98,532	57,730	rack_upstream_identification	Middleware that injects upstream server info into the response