QUBIC
Find all known coins for mining on a processor on this resource
https://hashrate.no/cpus
If you are looking for new coins that are not yet traded on exchanges, then look for announcements in miner groups. I often publish new coins here.

About mining on powerful Ryzen 9 processors, read this topic
https://bitcointalk.org/index.php?topic=5489799.msg63837169#msg63837169