Original wmctrl -lx
0x01e002d3 4294967295 Plasma.Plasma         host plasma-desktop
0x06ec50a8  1 Chromium (/tmp/panda).Chromium  host Inbox - Gmail - Chromium
0x06e58852  1 app.asana.com.Chromium  host ● Tasks - Asana
0x0760004a  0 okular.Okular         host A Genealogy of State – Okular
0x00e0004d  1 kjots.Kjots           host Local Notes – KJots
0x06e00025  1 Chromium (/tmp/panda).Chromium  host Forbes - Chromium
0x01e002ca 4294967295 Plasma.Plasma         host plasma-desktop

Geekless fork wmctrl -lx
0x01e002d3 -1 Plasma.Plasma         host plasma-desktop
0x06ec50a8  1 Chromium (/tmp/panda).Chromium  host Inbox - Gmail - Chromium
0x06e58852  1 app.asana.com.Chromium  host ● Tasks - Asana
0x0760004a  0 okular.Okular         host A Genealogy of State – Okular
0x00e0004d  1 kjots.Kjots           host Local Notes – KJots
0x06e00025  1 Chromium (/tmp/panda).Chromium  host Forbes - Chromium
0x01e002ca -1 Plasma.Plasma         host plasma-desktop
0x07200049  1 systemsettings.Systemsettings  host Custom Shortcuts – System Settings
0x0180006c  1 Navigator.Firefox     host Can I minimize a window from the command line? - Ask Ubuntu - Mozilla Firefox
0x01800162  1 Navigator.Firefox     host Pastebin.com - #1 paste tool since 2002! - Mozilla Firefox
0x01c00013  1 nvPY.Nvpy                     N/A nvPY
0x0580003b  1 focuswriter.Focuswriter  host doco.rtf — FocusWriter
0x01a000b0  1 clementine.Clementine  host Generic Song Title
0x00400053 -1 yakuake.Yakuake       host Yakuake