Silent Miner is a fork of ccminer for mining cryptocurrency Ravencoin (RVN), based on the algorithm X16r, which at speed competes with miner z-enemy. If the last version of Silent Miner slightly inferior in performance to the latest version of z-enemy 1.08, after upgrading to 1.1.0, their speed characteristics are almost equal.
Note that Silent Miner is closed source, designed for Nvidia hardware. Now there is assembled just the executable for Windows, and inset, the Commission, developer is 1%. Of course, there are the miners of the algorithm X16r and open source, but, unfortunately, a lower throughput than the Silent Miner and z-enemy.