Store, share and discover your memories with Ente Photos. With end-to-end encryption, only you—and those you share with—can see your photos and videos.
https://ente.io/download/desktop
They have a deb available from their website.
https://github.com/ente-io/photos-desktop/releases/download/v1.7.14/ente-1.7.14-amd64.deb