MapWinGIS.ocx is a FREE and OPEN SOURCE C++ based geographic information system programming ActiveX Control and application programmer interface (API) that can be added to a Windows Form in Visual Basic, C#, Delphi, or other languages that support ActiveX, providing your app with a map.
最近更新: 7年多前QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
最近更新: 7年多前
