Envoy - Visitor registration that's changing how guests are greeted in companies around the world.
Cdw - cdw: ncurses interface for GNU/Linux command line CD/DVD tools
TractionGuest - Safe, secure workplace for all.
Microsol Resources - Autodesk Platinum Partner providing BIM & CAD software, training, consulting, staffing & 3D printing for architecture, engineering & construction.
The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.
Sirius - An open-source clone of Siri from UMICH