Rares's Gems

#	Total Rank	Daily Rank	Name	Summary
1	13,019	13,266	option	Ruby port of Scala's Option Monad
2	42,427	54,585	acts_as_filterable	Filter attributes and stuff.
3	82,808	129,864	queued	Call any ActiveRecord instance method as though it was a Resque job
4	96,670	129,864	rack_upstream_identification	Middleware that injects upstream server info into the response