Home health care is an expanding area within the health care system. The idea of moving parts of the health care process from expensive specialised hospital care to primary health care and home health care might be attractive in a cost perspective. The introduction of home health care applications must be based on a rigorous analysis of necessary requirements to secure a safe and reliable health care. This article reports early experiences from the development of a home health care application based on emerging Java technologies such as the OSGi platform. A pilot application for follow-up of diabetes patients is presented and discussed in relation to a list of general requirements on home health care applications.