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MultiMiner

Official Description

Based on lucasjones' multi-algorithm fork of pooler's cpuminer, MultiMiner allows you to mine many different cryptocurrencies with a single app, including Litecoin, Bitcoin, Yacoin, Darkcoin, and many more. MultiMiner currently supports:
-scrypt (Litecoin, Dogecoin)
-sha256d (Bitcoin)
-Keccak (Maxcoin)
-Quark (Quarkcoin)
-Heavy (Heavycoin)
-Skein (DGB-Skein, Myriad-Skein)
-Shavite3 (Inkcoin)
-Blake (Blakecoin)
-Fresh (Freshcoin)
-x11 (Darkcoin, Karmacoin, Urocoin, Checkcoin, Auroracoin)