System restore tool for Linux. Creates filesystem snapshots using rsync+hardlinks, or BTRFS snapshots. Supports scheduled snapshots, multiple backup levels, and exclude filters. Snapshots can be restored while system is running or from Live CD/USB.
Name: Timeshift
Homepage: GitHub - teejee2008/timeshift: System restore tool for Linux. Creates filesystem snapshots using rsync+hardlinks, or BTRFS snapshots. Supports scheduled snapshots, multiple backup levels, and exclude filters. Snapshots can be restored while system is running or from Live CD/USB.
License: https://github.com/teejee2008/timeshift/blob/master/LICENSE.md
Upstream has been contacted: Yes, and he is not interested in flatpak: https://github.com/teejee2008/timeshift/issues/305