Rares's Gems

#	Total Rank	Daily Rank	Name	Summary
1	13,184	37,015	option	Ruby port of Scala's Option Monad
2	42,644	69,228	acts_as_filterable	Filter attributes and stuff.
3	83,047	78,534	queued	Call any ActiveRecord instance method as though it was a Resque job
4	96,911	104,950	rack_upstream_identification	Middleware that injects upstream server info into the response