Binary package “fusion-icon” in ubuntu eoan

tray icon to launch and manage Compiz

 The OpenCompositing Project brings 3D desktop visual effects that
 improve the usability and eye candy of the X Window System and provide
 increased productivity.
 .
 This package contains a tray icon that allows you to easily enable, disable and
 restart Compiz, and change the currently used window manager and/or window
 decorator.