GRAViTONUS Inc. is a US Virginia-based start-up company dedicated to bringing the next wave of accessibility solutions to the handicapped. Gravitonus has developed a device called the Alternative Computer Control System (ACCS) for a limited, immobile group of severely motor-impaired individuals. With the help of ACCS, a handicapped user can control a PC as effectively as with conventional means. ACCS is tool to self-realization and active life for the SCI population.