I've used vaultwarden (formerly bitwarden_rs) for probably 2 years now. The author keeps up with the upstream quite well. It's written in rust and uses SQLite,

I've used vaultwarden (formerly bitwarden_rs) for probably 2 years now. The author keeps up with the upstream quite well. It's written in rust and uses SQLite, which makes it lightweight and appropriate for a single user setup. It's so good it even passed the WAF test.