Could anyone recommend the best miner for Callisto solo mining (without dev fee)? I've tried the latest Ethminer but it didn't submit any share and didn't find any block. Or maybe I didn't put the right flag

Share your experiences, please.
Use claymore. But there should not be a problem with Ethminer. This, like ethereum, is just another pool.
https://bitcointalk.org/index.php?topic=1433925.0UPD.Ohh my bad. You need solo mining
Hi... I think you are right. I use claymore without the fee option. It will not reach the highest hash rate. But claymore is faster than the old ethminer I used. Thanks, mate.
Maybe you should try with PhoenixMiner, just for testing, also devfees are quite low (0.65%).
Personally, I never mined with ETHminer

The problem is not the fee. I'm avoiding the dag and hash transition.