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Bitwarden Open Source Password Manager
(bitwarden.com)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
I started using BitWarden since I moved away from the apple eco system and moved to Android as I'm only a mobile user phone/tablet.
It's never failed me and even after an accidental factory reset I was able to recover everything.