Envoy - Visitor registration that's changing how guests are greeted in companies around the world.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.
FreeCAD - An open-source parametric 3D modeler
TractionGuest - Safe, secure workplace for all.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming