Saarinen's Gems

#	Total Rank	Daily Rank	Name	Summary
1	18,784	55,642	overlay	Overlay one or more external repositories on a running Rails application
2	25,896	44,968	abtest	Rails based AB test framework
3	99,788	112,082	fluoroscope	Provides inline browser access to rendering details and page makeup.
4	105,508	77,026	github_overlays	Overlay one or more github repositories on a running Rails application