Genesis Mining - Genesis Mining is a large cloud mining company and hashpower provider for Bitcoin and Altcoins.

CGMiner - ASIC and FPGA miner in c for bitcoin. Contribute to ckolivas/cgminer development by creating an account on GitHub.

MinerGate - Start mining effectively with your computer or smartphone. Squeeze the most profit automining coins with the highest rates.

HashFlare - HashFlare.io offers cryptocurrency cloud mining services on modern, high-efficiency equipment.

NiceHash - Bitcoin Cloud Mining

Coinhive - Coinhive offers a JavaScript miner for the Monero Blockchain that you can embed in your website.