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Octopus Tasks - Earn by doing micro-tasks for companies and friends.
CGMiner - ASIC and FPGA miner in c for bitcoin. Contribute to ckolivas/cgminer development by creating an account on GitHub.
21 Lists - Send and receive targeted, paid microtasks
NiceHash - Bitcoin Cloud Mining
Bitbounce - Charge unsolicited email senders a cryptocurrency fee
Coinhive - Coinhive offers a JavaScript miner for the Monero Blockchain that you can embed in your website.