Can the Swedish market in standard application packages be charaterized as an industry in transition? This is a question that inspired us to investigate the interplay between vendors and customers of standard application packages apperas today and will appear in the future. Since there are many opinions concerning what standard application packages actually are, we shall begin by defining the concept. Our main theme in the chapter is the events and changes which can be observed in the industry. We shall focus on two interesting trends in the market, namely the development of long-term business relationships and so-called component-based packages