Proton Pass is described as 'A password manager that ensures identity and password security with rigorous, end-to-end encryption, built by scientists from CERN, and recommended by the United Nations' and is a very popular password manager in the security & privacy category. There are more than 50 alternatives to Proton Pass for a variety of platforms, including Android, Mac, Windows, iPhone and Google Chrome apps. The best Proton Pass alternative is Bitwarden, which is both free and Open Source. Other great apps like Proton Pass are KeePassXC, KeePass, LastPass and 1Password.