Semaj's Gems

#	Total Rank	Daily Rank	Name	Summary
1	29,139	23,946	time-hash	Set a timeout on key-value pairs, at which point delete them.
2	62,395	57,606	bitcoin-money	Supports conversions and arithmetic.
3	90,132	23,946	blockchain-ruby	Convenient wrapper around public Blockchain.info API.
4	137,123	57,606	better-coinbase	The Coinbase API, wrapped, maintained, and better.