I use Synology which has its own Photos app. Honestly, it’s there right now. I prefer doing my own tagging but it’s able to automatically group things just fine

I use Synology which has its own Photos app. Honestly, it’s there right now. I prefer doing my own tagging but it’s able to automatically group things just fine. I got a second Synology for Hyperbackup and send one to the other for backups. Seems to work well.