Maps & Geospatial Data: Software

Create, edit, visualise, analyse and publish geospatial information on Windows, Mac, Linux, BSD and mobile devices. A free and open source Geographic Information System.

The largest professionals network of open source geomatics. A new model of development based on knowledge sharing, solidarity and cooperation.

The Integrated Land and Water Information System (ILWIS) is a PC-based GIS & Remote Sensing software. ILWIS comprises a complete package of image processing, spatial analysis and digital mapping. As per 1 July 2007, ILWIS software is freely available ('as-is' and free of charge) as open source software. This software version is called ILWIS Open.

Geographic Information Systems Stack Exchange is a question and answer site for cartographers, geographers and GIS professionals. It only takes a minute to sign up.

Goals of QGIS User Groups include organizing meetings, coordinating development, sharing
QGIS information, creating interest groups, and more.

Detailed tutorial from GIS Geography.

Collection of tutorials and how-to articles on QGIS, ArcGIS, web mapping service (WMS) protocol, geoanalytics, and more.

An overview of GIS software functionality from Mango, which also offers a web-based GIS software platform.

Reviews and rankings, including Pros and Cons, from GIS Geography (updated May 29, 2022).

Best free GIS mapping software available including ratings, features, mobile capabilities, and primary use cases.

Sortable reviews and rankings created by users from G2 Business Software Reviews.

ArcGIS Pro is a complete desktop GIS software suite that allows you to create maps, perform spatial analysis and manage data. (US$100 a year for individual subscription.)