That's where Vaultwarden (https://github.com/dani-garcia/vaultwarden https://github.com/dani-garcia/vaultwarden) comes in. You can use the official Bitwarden cl

That's where Vaultwarden (https://github.com/dani-garcia/vaultwarden https://github.com/dani-garcia/vaultwarden) comes in. You can use the official Bitwarden clients and fully host the backend by yourself. You don't need to trust Bitwarden with your data and can probably upgrade only when you need to, as the clients surely have some sort of backward compatibility.