Install kmousetool by entering the following commands in the terminal:
sudo apt update sudo apt install kmousetool
Description:
mouse manipulation tool for the disabled
KMouseTool clicks the mouse whenever the mouse cursor pauses briefly. It was designed to help those with repetitive strain injuries, for whom pressing buttons hurts. . This package is part of the KDE accessibility module.
Homepage: http://www.kde.org
Version: 4:17.12.3-0ubuntu2
Section: universe/utils