Fivehundred's Gems

#	Total Rank	Daily Rank	Name	Summary
1	46,331	36,828	mail_robber	Simple email testing for Rails
2	89,226	119,211	find_duplicates	adds methods to find duplicate rows to AR models
3	93,666	64,949	acts_as_daterange	adds daterange to AR models
4	113,125	119,211	shabbat	The most Kosher GEM in the web. Extends Date and Time classes to add common jewish meth...