MoneroHash is a US mining pool created solely for Monero mining. Since 2014 it is run by a single person. The fee is 1.6 and a part of this amount is given to open source developers. The payouts occur every 24 hour (in case if the threshold is reached). There's an option to send the mined coins straight to the exchange wallet. It saves users some money that could be spent on transaction fees.
ConnectBTC is the most recent mining pool by Bitmain. The pool offers Bitcoin mining through a 0% fee PPS system. The pool subsidises the miner with an additional 6% for a total of 106% of the block reward. Payouts are done on a daily basis. The minimal earnings to qualify for payment is 0.001BTC.
2miners is a multicurrency mining pool with the servers located in the US, Europe and Asia. 2miners supports around 20 currencies including ETH, ETC, ZEC, MUSIC, BTG, ZEN, BTCP, CLO, and many others.