A fully featured, user friendly, open source Geographic Information System (GIS) with similar power to ArcGIS and MapInfo.




Comments about QGIS as an Alternative to Surfer

- QGIS is Free and Open Source
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 Plus Codes, ArcGIS, what3words and Global Mapper.
A fully featured, user friendly, open source Geographic Information System (GIS) with similar power to ArcGIS and MapInfo.





A plus code address looks like a regular address, but with a short code where the street name and number would be. These addresses exist for any location, even for places where there are no roads.



ArcGIS offers unique capabilities and flexible licensing for applying location-based analytics to your business practices.

What3words encodes geographic coordinates into 3 dictionary words (for example, the Statue of Liberty is located at planet.inches.most). what3words is different from other alphanumeric location systems and GPS coordinates in that it displays 3 words rather than long strings of...




Doesn't perform the same functions at all. Surfer deals with geographical data and plotting it into easily understood forms. what3words is about location.


Global Mapper is a cutting-edge GIS software that provides both novice and experienced geospatial professionals with a comprehensive array of spatial data processing tools, with access to an unparalleled variety of data formats.




GRASS GIS (Geographic Resources Analysis Support System) is an open source, free software (FOSS) Geographical Information System (GIS) with raster, topological, vector, image processing, and visualization functionality.


Equator is online mapping software that allows anyone to find, create and publish maps in minutes. One globe, unlimited maps.




Spatial Feature Server by MapET is an ESRI Geoservices REST Implementation and works with all ESRI Rest API's. The source of published data is the spatial extension of the major RDBMS, such Oracle, Microsoft SQLServer, MySQL, PostgreSQL.
Azimap is a web GIS developed on open source principles and offers GI professionals with the tools to visualise, analyse and share their spatial data on the web.


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.
Been using for the last 5 years in substitution of ArcGIS. The GIS environment is top, but the map layout mode is still shallow and hard to manipulate. If it looked and worked more like an Inkscape environment-like I believe it would be a perfect improove.