GeoBase 

GeoBase is a high performance OEM tool for embedding GIS functions in client and server applications. GeoBase functions include quality maps, fast geocoding and routing and analysis tools.
map engine mapping geocoder server map

Map Suite - Winforms Edition 

Map Suite Winforms Edition is a powerful set of user controls enabling you to build compelling mapping applications. Leveraging Microsoft?s .NET framework, our APIs incorporate the latest technology to deliver intuitive streamlined interfaces.
spatially aware map suite winforms map suite map control map map ocx map object gis vb.net map shape files map tools royalty free esri