Fivehundred's Gems

#	Total Rank	Daily Rank	Name	Summary
1	46,638	71,210	mail_robber	Simple email testing for Rails
2	89,562	71,210	find_duplicates	adds methods to find duplicate rows to AR models
3	93,969	110,796	acts_as_daterange	adds daterange to AR models
4	113,380	110,796	shabbat	The most Kosher GEM in the web. Extends Date and Time classes to add common jewish meth...