Proton
Empowering you to choose a better internet where privacy is the default. Protect yourself online with Proton Mail, Proton VPN, Proton Calendar, Proton Drive. Proton Pass and SimpleLogin.
Proton Mail is the world's largest secure email provider. Swiss, end-to-end encrypted, private, and free.
Proton VPN is the world’s only open-source, publicly audited, unlimited and free VPN. Swiss-based, no-ads, and no-logs.
Proton Calendar is the world's first end-to-end encrypted calendar that allows you to keep your life private.
Proton Drive is a free end-to-end encrypted cloud storage that allows you to securely backup and share your files. It's open source, publicly audited, and Swiss-based.
Proton Pass Proton Pass is a free and open-source password manager which brings a higher level of security with rigorous end-to-end encryption of all data (including usernames, URLs, notes, and more) and email alias support.
SimpleLogin lets you send and receive emails anonymously via easily-generated unique email aliases.
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I can highly recommend KeePassXC. Works on Windows, Linux, Android and on Mac and iPhone (Strongbox if you are on Apple, by same file works).
I used to sync with pcloud but I use syncthing now instead.
Or for those not interested in the fine grained control of keepassxc, bitwarden is free and has a great app and browser extensions
Bitwarden is my goto choice if not keepass. My partner has it and is happy with it. I'm not constantly bothered with questions so I am also happy.