Rares's Gems

#	Total Rank	Daily Rank	Name	Summary
1	13,442	18,608	option	Ruby port of Scala's Option Monad
2	43,477	96,429	acts_as_filterable	Filter attributes and stuff.
3	84,195	144,404	queued	Call any ActiveRecord instance method as though it was a Resque job
4	98,284	96,429	rack_upstream_identification	Middleware that injects upstream server info into the response