The Focused Mouse: A Children's Book About Defeating Distractions, Practicing Focus, and Reaching Your Goals: Dane, Charlotte: 9798712265473: Amazon.com: Books
PowerToys is getting "Inclusive Mouse", an improved cursor finder
opensuse - Focus "mouse" or "sloppy" do the same thing on gnome-shell - Unix & Linux Stack Exchange
Keyboard shortcut for moving mouse to focused window? - Super User