AspMap is a set of high-performance ASP.NET mapping components and controls for embedding maps in Web applications.
ActualMap is a set of .NET mapping controls for embedding maps in desktop Windows applications.
Spatial Data Exporter is a GIS tool that converts shapefiles and TAB files to spatial databases such as SQL Server, MySQL, PostgreSQL/PostGIS.
GeoMerge is a geoprocessing utility that allows you to merge two or more shapefiles or TAB files into a single shapefile.