Rares's Gems

#	Total Rank	Daily Rank	Name	Summary
1	12,797	18,975	option	Ruby port of Scala's Option Monad
2	41,445	114,388	acts_as_filterable	Filter attributes and stuff.
3	81,635	114,388	queued	Call any ActiveRecord instance method as though it was a Resque job
4	95,253	114,388	rack_upstream_identification	Middleware that injects upstream server info into the response