
1) Windows-only freeware
Found on
https://www.crosswordclues.com/clue/sliderdock

SliderDock is a freeware application launcher for the Windows OS. Unlike other similar docking programs, SliderDock uses a wheel-like interface to organize icons. When the user scrolls with the mouse wheel, the icons rotate towards a fixed point so the user can access a specific icon. Once an application is launched, SliderDock hides itself in the...
Found on
http://en.wikipedia.org/wiki/SliderDock
No exact match found.