I am currently using This website and so far am very happy.  

It supports mining of:

• Zcash
• Bitcoin Gold
• Ethereum
• Ethereum Classic
• Bitcoin
• Litecoin
• Bytecoin
• Monero
• DigitalNote
• Aeon coin
• FantomCoin
• QuazarCoin
• MonetaVerde
• Dashcoin
• Infinium-8