Password Manager
Trying keepass on local machine at first but for sharing a VPS hosted one might be needed. https://www.passbolt.com/ or read through https://www.smarthomebeginner.com/top-self-hosted-password-managers/
KeePassXC-Browser Helper Script may be useful but it looks like it assumed you’re using snaps.
sudo add-apt-repository ppa:phoerious/keepassxc
sudo apt update
sudo apt install keepassxc