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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 used LastPass until they are made free version unusable for my purposes. After some experiments switched to Bitwarden. Can confirm, it is safe and easy to use.