The modules that have been included in the initial release of EDSS are those that are documented and have undergone testing and evaluation. We have a large number of research grade modules that are being tested or used in applications directly under our control. We will make additional modules available to the community after we have tested them and published our results. It will be publically released as soon as we have the opportunity to fully test it and publish our results. Until that time it is only available to our research and development partners.
Requirements vary by subsytem.
Check the web page that follows the EDSS download registration page for details. Virtual memory can be used but performance may be degraded. Some EDSS subsystems are available in source form or in other binary formats. The Study Planner requires that Shared Memory be turned on. The answer varies by component.