fourpane
on SourceForge
6.0/ubuntu and derivatives/4pane_6.0-1unofficial.eoan_amd64.deb
6.0/ubuntu and derivatives/4pane_6.0-1unofficial.disco_amd64.deb
6.0/ubuntu and derivatives/4pane_6.0-1unofficial.bionic_amd64.deb
fourpane
on SourceForge
6.0/debian/4pane_6.0-1unofficial.buster_amd64.deb
6.0/debian/4pane_6.0-1unofficial.stretch_amd64.deb