Short description of CyberMatrix Timesheets Client/Server 4.21: CyberMatrix Timesheets Client/Server is a simple to use Windows-based multi-user timesheet entry program that allows employees to easily enter time spent on various projects and tasks. Timesheets is ideal for engineering offices and other project centric businesses wishing to replace their old-fashioned paper-based timesheet entry process. The timesheet entry screen looks like a standard timesheet entry form.