MapDotNet Server supports the following geo-databases and geo-datasources:
Map Rendering:
ArcSDE 9.x, PostGIS, MySQL, Shape files, WMS (1.1, 1.1.1), SQL Server 2005 with SpatialDB, and SQL Server 2008 CTP
Feature Querying and Editing
ArcSDE, PostGIS, SQL Server 2005 with SpatialDB, and SQL Server 2008 CTP