TreeTag is a personal data manager. It stores information in a hierarchy
(the "Tree" part of the name). But unlike other tree-based applications,
TreeTag automatically positions items in the tree based on field values (the
"Tag" part of the name).
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: