Password manager that is completely open-source/free and can selfhost

Like the title says, I do not like Bitwarden simply because they have a paywall feature. I think the best choice personally is using KeepassXC since it is free and open-source. I believe the ultimate security is making your own defenses which is why I feel pwd managers like lastpass/1pwd are good but not enough for someone who needs to protect their data in a breach. (They also have subscriptions)