ADE!

Booked (formerly phpScheduleIt) is a simple but powerful reserve-anything scheduler. With flexible layouts, custom rules, a powerful administrative backend, and an unbelievably simple user experience, Booked can fit almost any need. From conference rooms to lab equipment to airplanes - it's Booked.

Rapla is a flexible multi-user resource and event management system (Rooms, Groups, Students, Resources).

Hub Planner is a resource planning and scheduling tool for those who manage resources, people or projects on a day-to-day basis and need a software to schedule and plan time.