Mozilla recommends a bunch of password managers in this blog post and none of them are Open Source. No Bitwarden, no Keepass. Only LastPass, Dashlane and 1password.
Now, while this isn't a big deal, and they're all excellent options, you'd expect that Mozilla would recommend some #OpenSource password managers as well. #privacy
https://blog.mozilla.org/internetcitizen/2018/10/01/worried-about-data-breach-protect-passwords/