E-learning is undergoing significant changes. Because it is caught in the crossfire of pedagogy, economy and technology sustainable economic concepts have to be developed. This book discusses approaches that are based on experiences derived from the research project "L3 - Life-Long Learning". They are centred around the following statements:a marketable e-learning offer must consist of comprehensive services, the learner has a major influence on the quality of e-learning services, e-learning services require integrated quality systems, only with a learner-oriented quality strategy can the economic success of e-learning services be achieved, e-learning standards must give greater consideration to future pedagogic and didactic theories and models, acceptance by small and medium-sized companies, trades and professionals (SMCs) is indispensable to successfule-learning services, all available further training competencies and resources can and must be combined in the production of content for integrated e-learning services, the future sustainability of e-learning services it closely linked to the development of human capital management (HCM) systems.