Password Pusher is no password manager, only for securely sharing information.

Running on Vaultwarden, though that still depends on the official BitWarden Clients. Works great though, and can be selfhosted on pretty small machines. Very satisfied with it.

Passbolt was not on my radar when I was in the market for a new password manager, but would be a serious consideration today.

If considering a self hosted alternative, remember that backups are your responsibility then as well.