Envoy - Visitor registration that's changing how guests are greeted in companies around the world.

Celcat Timetabler - Celcat Timetabler is the complete, state of the art solution for optimising resource utilisation, timetable publication, ad-hoc room booking, attendance tracking, pay claim management...

The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.

Booked Scheduler - Booked (formerly phpScheduleIt) is a simple but powerful reserve-anything scheduler.

TractionGuest - Safe, secure workplace for all.

Classroombookings - Open source hassle-free room booking system for schools.