Yes, I have 8x and 16x AVX Base58 decoders—about 35MWIFs per second. But I won't be publishing them on GitHub anytime soon. 
Could you please tell me where you live, so that I can visit you?
Code:
./WIFHunter -h
[I] WIF Hunter
[E] Wrong length of WIF prefix: 2
[I] WIF Hunter
[E] Wrong length of WIF prefix: 2