27 Jun 2017 BTCMiner. BTCMiner is an Open Source Bitcoin Miner for ZTEX USB-FPGA modules 1.5. CGMiner is arguably the most famous and commonly used among Bitcoin miners at the moment. BFGMiner is more or less the same as CGMiner. EasyMiner is GUI based and it acts as a convenient wrapper for CGMiner and BFGMiner software.