Mute is a board that can relieve the noisy thoughts in your mind. It can turn thoughts into visible and categorizable spheres, reduce the mental noise, and help users clear their minds and relieve the burden before work. It can also let users see the unfinished tasks, understand and categorize the things in their minds, distinguish between urgent and waitable ones, and relieve the mental burden through operations such as categorization and shelving, reduce the mental load value, and help users sort out and organize their thoughts.