Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Envoy - Visitor registration that's changing how guests are greeted in companies around the world.
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA
TractionGuest - Safe, secure workplace for all.