ProfExam Simulator - Test engine for certification exam preparation.
Google Street View - With Street View you can explore the world at street level.
Adit Testdesk - Create, run, and grade all sorts of tests automatically!
GeoGuessr - GeoGuessr is a new way to explore the world in a gaming style.
VceTrainer.com - Web-based VCE exam simulator.
OpenStreetCam - OpenStreetCam that was also known as OpenStreetView, is a service dedicated to offering the real images of the most of the locations of the world.