The purpose of the OSER project is to replace
Microsoft Exchange with a solution that runs under
Linux. The project provides detailed step-by-step
instructions on how to accomplish this goal.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.