CADMAPPER - Instant CAD files for any location on earth
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
MAPACAD - MAPACAD is an online website that is providing leverage to designers and architectures to have the ability to download CAD map cities that can be directly used in their projects.
CAD-Earth - CAD-Earth is resourceful software that allows architecture to perform slope zone analysis and facilitates a wide range of alluring features.
DWGDownload - DWGDownload is an online website that comes with a comprehensive collection of free dwg, cad blocks, and AutoCAD dwg detail drawings.
QGIS - QGIS is a desktop geographic information system, or GIS.