onecoin
I did not have a lot of luck with it, had less luck with QRK though. I still have a couple of computers pool mining WDC. pooler2.3 I think, and you get something for the thing running.
wdc is scrypt, i would mine that with gpu if possible. Qrk is not getting any harder right now, seems stuck at diff 200-250 , i guess some hashs going to other cpu coins, i wonder is prime is still growing in network hash?