Semaj's Gems

#	Total Rank	Daily Rank	Name	Summary
1	33,369	10,923	time-hash	Set a timeout on key-value pairs, at which point delete them.
2	61,342	92,554	bitcoin-money	Supports conversions and arithmetic.
3	105,290	146,171	blockchain-ruby	Convenient wrapper around public Blockchain.info API.
4	135,403	92,554	better-coinbase	The Coinbase API, wrapped, maintained, and better.