https://github.com/krnlx/ccminer-skunk-krnlxAbsolutely free - no fee's, no viruses, etc. Based on Alexis Provos code.

tested on linux, no win version now -( But You can compile!
1080Ti:
[2017-08-10 09:40:13] GPU #0: GeForce GTX 1080 Ti, 52.54 MH/s
[2017-08-10 09:40:14] accepted: 106/107 (diff 0.550), 104.83 MH/s yes!
[2017-08-10 09:40:31] GPU #0: GeForce GTX 1080 Ti, 52.55 MH/s
[2017-08-10 09:40:31] accepted: 107/108 (diff 2.166), 104.83 MH/s yes!
[2017-08-10 09:40:34] accepted: 108/109 (diff 1.171), 104.83 MH/s yes!
[2017-08-10 09:40:50] GPU #0: GeForce GTX 1080 Ti, 52.55 MH/s
[2017-08-10 09:40:50] accepted: 109/110 (diff 0.456), 104.83 MH/s yes!
[2017-08-10 09:41:02] GPU #1: GeForce GTX 1080 Ti, 52.32 MH/s
[2017-08-10 09:41:31] GPU #0: GeForce GTX 1080 Ti, 52.59 MH/s
[2017-08-10 09:41:31] accepted: 110/111 (diff 1.211), 104.83 MH/s yes!
[2017-08-10 09:41:33] accepted: 111/112 (diff 0.434), 104.83 MH/s yes!
[2017-08-10 09:41:36] skunk block 31847, diff 31808.903
[2017-08-10 09:42:18] GPU #0: GeForce GTX 1080 Ti, 52.56 MH/s
[2017-08-10 09:42:18] GPU #1: GeForce GTX 1080 Ti, 52.35 MH/s
[2017-08-10 09:42:41] GPU #0: GeForce GTX 1080 Ti, 52.55 MH/s
[2017-08-10 09:42:41] accepted: 112/113 (diff 1.143), 104.83 MH/s yes!
[2017-08-10 09:43:02] GPU #0: GeForce GTX 1080 Ti, 52.56 MH/s
[2017-08-10 09:43:02] accepted: 113/114 (diff 0.762), 104.84 MH/s yes!
Feel free to donate SIGT BLq8t6NQrfRC8kFyrvZ5YMGY33SVCQBeT4