Fivehundred's Gems

#	Total Rank	Daily Rank	Name	Summary
1	48,006	45,508	mail_robber	Simple email testing for Rails
2	91,357	36,330	find_duplicates	adds methods to find duplicate rows to AR models
3	96,002	73,572	acts_as_daterange	adds daterange to AR models
4	115,845	73,572	shabbat	The most Kosher GEM in the web. Extends Date and Time classes to add common jewish meth...