GeoSheets is a free add-on for Google Spreadsheets that makes it simple to do lightweight GIS tasks like geocoding, address normalization, distance calculations and creating customized and embeddable maps.




Surfer is described as 'Full-function contouring, gridding, and 3D surface mapping software. It is used extensively for terrain modeling, bathymetric modeling, landscape visualization, surface analysis, etc' and is an app in the online services category. There are more than 10 alternatives to Surfer for a variety of platforms, including Windows, Web-based, Android, Linux and iPhone apps. The best Surfer alternative is QGIS, which is both free and Open Source. Other great apps like Surfer are what3words, ArcGIS, Plus Codes and Global Mapper.
GeoSheets is a free add-on for Google Spreadsheets that makes it simple to do lightweight GIS tasks like geocoding, address normalization, distance calculations and creating customized and embeddable maps.




Maptek Vulcan, the world’s premier 3D mining software solution, allows users to validate and transform technical data into dynamic 3D models, accurate mine designs and operating plans.
TopoCal is a CAD software capable of creating digital models of any topographic project making the most of the great power of the software. The program is available in 6 languages: Spanish, Portuguese, German, English, Italian and French.
