RRD has its own e-health platform SenSeeAct which has been used in (international) research projects for many years. It provides a secure backend with mobile and web applications for health care professionals, patients and other end users, to collect health data, using wearables and questionnaires, to present data in user-friendly ways, and to coach users toward healthy behaviour. The open and flexible design makes the platform especially suitable for research of new technologies, while at the same time providing production-quality applications with a concern for security and privacy. The data storage will soon be made available in an open source version.