What are some alternatives?
When comparing NiceHash and MinerGate, you can also consider the following products
EOBot - "Cloud" mining and Bitcoin mining
MultiMiner - MultiMiner is a desktop application for crypto-currency mining and monitoring on Windows, Mac OS X and Linux. MultiMiner simplifies switching individual devices (GPUs, ASICs, FPGAs) between crypto-currencies such as Bitcoin and Litecoin.
Honeygain - Time flies when you’re making sweet money. Simply download the app, turn it on, and earn!
Kryptex - Kryptex generates cryptocurrency and pays you bitcoins or real-world money.
P2Pool - Peer to Peer Bitcoin Mining Pool