GHC is a robust scheduling engine developed to solve complex timetabling problems in schools and universities. It allows users to input subjects, teachers, classrooms, and time constraints, and then automatically generates a conflict-free schedule. 2. Features in the "Full Version" When you purchase the official license (often referred to as the Standard or Professional edition), you unlock the complete functionality that is restricted in the "Free" or "Trial" versions. Active+webcam+page+inurl+8080+best