Let me just mention Gopass (https://gopass.pw) which is a brilliant terminal-based `pass`-compatible password manager (https://www.passwordstore.org/). Gopass is open-source, free, and based on open standards. Meaning, you can use your keystore practically anywhere. For instance on Android with the Password Store app (https://play.google.com/store/apps/details?id=dev.msfjarvis....)