What are some alternatives?
When comparing Sine and Voonote, you can also consider the following products
The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.
Envoy - Visitor registration that's changing how guests are greeted in companies around the world.
TractionGuest - A smarter welcome for your visitors.
Orbtr - Orbtr is the first marketing automation suite for WordPress.
SwipedOn - SwipedOn is a smart but simple visitor management solution. Our paperless gateway makes connecting people intuitive and easy.
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses