"cAr on Demand!" is a car sharing management platform. It is an end-to-end product which offers the total mobility solution: a) starting from the in-car-technology (all the necessary equipment installed to the car) together with b) the web application, c) the backoffice application for the administration of the whole service. The backoffice interface offers a large set of parameters related to users, vehicles as well as tariff models and policy parameters. And finally c) a mobile app for the final user. It has a very easy and friendly UI to use: the final user just needs 3 clicks to arrange his booking of the vehicle.