I moved from 1Password to VaultWarden.
Why?
Because sometimes it just makes sense to own and host things yourself.
Some reasons:
I've already seen the arguments against doing this for password managers because of potential data loss.
That's fine as every device you connect is a backup. If your server dies, is your phone, computer, laptop going to die at the exact same time?
And honestly it's really not that much to just take a periodic export and store that on some external storage, or if your old school a CD or if you are really old school a floppy disk.