Links to the latest miners for ERC918 mineable tokens, including S.E.D.O.:
https://www.reddit.com/r/0xbitcoin/comments/8o06dk/links_to_the_newestbest_miners_for_nvidia_amd/
The linked threads will help get you started.

I can answer any questions regarding COSMiC (for nVidia GPUs). :thumbsup:
If you have AMD card(s), I'd recommend LwYeo's SoliditySha3Miner.

Happy Hashing