Slush Pool is the oldest mining pool (works since 2010) initially designed to mine Bitcoin. Currently, this pool supports one more currency — Zcash. Slush Pool has servers in many locations including Japan, Singapore, the US, Europe, Canada, and China.
Poolin was launched by the company Blockin in China. Poolin supports 9 currencies (Bitcoin, Bitcoin Cash, Bitcoin Cash SV, Zcash, Litecoin and several others among them). 20 of the world's hashrate for mining of Litecoin is coming from Poolin. Around 12 for Bitcoin and 8 for Bitcoin Cash respectively.
Although NiceHash is usually regarded as a mining service, it's better to say that it's a kind of a platform for selling/buying cloud mining contracts. What is special about NiceHash is that users can opt for both selling and buying the hash power on this platform.
Moria is a Monero mining pool with servers in Europe, Russia, and the US. The mining fee is 0.2 which can be considered as a nice trait of this pool. The reward system is PPLNS. The website provides detailed instruction for newbies, which make it easy to get started.
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.
Miningpoolhub is one of the oldest mining pools on the market. There is not much information about this pool available. For years this pool managed to keep its good name, although as of lately, not everyone was positive about their Miningpoolhub experience.
MinerGate is an international multi-currency mining pool. Currently, it supports 10 currencies (including Monero, Ethereum, Litecoin, Zcash, and others). The pool has an intuitive GUI which helps newcomers to join mining. MinerGate has wide functionality letting users utilize diverse mining clients and devices.
Hashing24 is active since 2016. It is one of the most popular cloud mining services. The only currency mined on Hashing24 is Bitcoin. The offices of the company are located in the UK, Thailand, and Ukraine while mining farms are situated in Georgia and Iceland. Such diverse geography is needed to secure the business from changeable regulations in the world of cryptocurrencies. One of the partners of Hashing24 is an established blockchain company Bitfury. This fact is one of the trust factors for Hashing24.
HashFlare is a popular cloud mining platform launched in 2015. It is praised for its user-friendly interface making it possible to earn crypto for people unfamiliar with the world of cryptocurrencies . There are five currencies that can be "mined" on HashFlare: Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Dash (DASH), and Zcash (ZEC).
F2pool is a Chinese multicurrency mining pool founded in 2013. Now it has servers located in the USA, Canada, Russia, Singapore, and several other countries. The pool has a big number of supported coins. Currently, it is possible to mine around 40 currencies on F2pool.
Eobot is a veteran cloud mining platform from California. There's no info about the owners of the company although it is known that Eobot uses the mining farm with Antminer S series devices. Currently, the platform boasts over half a million users.
Dwarfpool is one of the largest Ethereum mining pools with its servers working around the world. The pool doesn't require registration as it's 100% anonymous. The statistics can be monitored right on the website. Miners are supposed to get paid every hour automatically. The minimum payout can be set by user's demand.