SharpMap is an easy-to-use mapping library for use in web and desktop applications. It provides access to many types of GIS data, enables spatial querying of that data, and renders beautiful maps. The engine is written in C# and based on the .Net 2.0 framework. SharpMap is released under GNU Lesser General Public License.
Visit the discussion page at http://sharpmap.codeplex.com/Thread/List.aspx
to post a technical question about the software or to contact the software developers.