Booked Scheduler - Booked (formerly phpScheduleIt) is a simple but powerful reserve-anything scheduler.
ADE - Resource management and constrained activity scheduling.
Bookedin - Online appointment scheduling software. Bookedin makes it easy to setup client appointments, manage them and accept payments. Free 14-day trial!
QReserve - QReserve is a powerful resource booking, lending, showcasing, and reporting platform.
Scientia - Timetabling & resource scheduling solutions for higher & further education | Timetable software & exams management for universities & colleges
Hub Planner - Transparent Resource Scheduling, Timesheets, Vacation, Resource Requesting, Project Management & powerful Reports in an agile designed, feasible & intuitive software for simple planning