A CLI utility make it possible to scroll with one finger. Execellent combination with ThinkPad TrackPoint.

Unfortunately, not supported under Wayland.

• Xorg
• Synaptics input driver
  • synclient CLI command

Toggle one/two finger scrolling:

$ ./synaptics-one-finger -t

See help (-h option) for more details.

Edit synaptics-one-finger.conf directly.