Projecteur is described as 'Virtual laser pointer for use with inertial pointers such as the Logitech Spotlight. Projecteur can show a colored dot, a highlighted circle or a zoom effect to act as a pointer' and is a cursor highligter in the office & productivity category. There are eight alternatives to Projecteur for Windows and Mac. The best Projecteur alternative is SHARA. It's not free, so if you're looking for a free alternative, you could try Key'n'Stroke or Spot on the Mouse. Other great apps like Projecteur are KeyLimePie, Spotlight for Mouse, Mouseposé and PointerFocus.