This book is a result of the European Experience Exchange (EUREX) project sponsored by the European Systems and Software Initiative for Software Best Practice in Europe. The EUREX project analyzed the industrial and economic impact and the similarities and differences between and among more than 300 Software Process Improvement Experiments sponsored by the EU.The current volume offers a variety of perspectives on software project management, cost estimation, and software life cycle support. These areas have a significant impact on the success of a software development project and present a high potential for improvement. This book is particularly meaningful for software practitioners in small and medium- sized enterprises, including both developers and line managers.