This document summarizes the 8th Medical Open Source Software seminar. It provides a brief history of past MOSS seminars. It discusses concerns around open source software use, including what people need and how it can be realized. The document outlines benefits of open source including low costs, technical standards, and wide markets. It introduces the openEHR project and its goals of interoperability. Finally, it lists the agenda for the current MOSS8 seminar, covering topics like the Ubuntu Japanese team, openEHR implementations, and data conversion using open source software.