Semaj's Gems

#	Total Rank	Daily Rank	Name	Summary
1	29,129	62,759	time-hash	Set a timeout on key-value pairs, at which point delete them.
2	62,324	24,334	bitcoin-money	Supports conversions and arithmetic.
3	90,386	28,503	blockchain-ruby	Convenient wrapper around public Blockchain.info API.
4	136,771	75,537	better-coinbase	The Coinbase API, wrapped, maintained, and better.