I would mention KeePass that is open source and doesn't require an email.
I haven't tried KeePass yet. Do you think it is accessible to the less technical folks?
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Yes I use keepass xc on windows and Linux and Keepass2Android on the phone.
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Keepass is on fdroid app market and 100% free safe and open source. Fdroid is my go to source for apps now, I got there before google or anything else to see of there's an open source app for anything
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