WASDI is a Cloud based Earth Observation analytical platform. It is an operating system that offers services to develop and deploy DIAS/Cloud based EO on-line applications, designed to extract value-added information, made and distributed by EO-Experts without any specific IT/Cloud skills. The platform offers as well to End-Users the opportunity to run EO applications both from a dedicated user-friendly interface and from an API based software interface, fulfilling the real-world business needs.