HashFlare is described as 'Io offers cryptocurrency cloud mining services on modern, high-efficiency equipment' and is a Bitcoin Mining tool in the bitcoin & cryptocurrency category. There are more than 25 alternatives to HashFlare, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android apps. The best HashFlare alternative is NiceHash, which is both free and Open Source. Other great sites and apps similar to HashFlare are Hashing24, Kryptex, Awesome Miner and MultiMiner.