Bitwarden is a free open source password manager, you can follow them at:
More info on their website is at https://bitwarden.com
Bitwarden is available in lots of flavours including Android, iOS, Linux, Mac and Windows at https://bitwarden.com/download
It's also available through @fdroidorg
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.