LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Envoy - Visitor registration that's changing how guests are greeted in companies around the world.
draw.io - Online diagramming application
TractionGuest - Safe, secure workplace for all.
Visio - Simplify and communicate complex information using data-linked diagrams.
The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.