FOSS GIS

QGIS 3.0 Released

February 23, 2018By Caitlin DempseyGIS Software

Version 3.0 of QGIS, the popular free and open source GIS software, was released today.

What is PostGIS?

September 28, 2017By Mark AltaweelGIS Software

PostGIS is an Open Geospatial Consortium (OGC) compliant software used as an extender for PostgreSQL, which is a form of object-relational database. While PostGIS is free and open source, it is used in both commercial (e.g., ArcGIS) and open source software (e.g., QGIS).

Using Free and Open Source GIS to Support Natural Resource Management in the Developing World

June 25, 2017By GIS ContributorGIS Software

Rohan Fisher discusses the GIS capacity building work he has undertaken to enable decentralized evidence-based natural resource management in the developing world.

Elements of a Map

Map elements such as the map frame, legend, and north arrow are parts of what create a map.

Learn GIS for Free

There are a few online options to learn GIS for free. Take advantage of resources that provide you access to free courses from some of the world’s best universities and institutions.

What is GIS?

GIS is a technological field that incorporates geographical features with tabular data in order to map, analyze, and assess real-world problems. The key word to this technology is Geography – this means that some portion of the data is spatial.

Open Source GIS and Freeware GIS Applications

An open source application by definition is software that you can freely access and modify the source code for. Open source projects typically are worked on by a community of volunteer programmers. Open source GIS programs are based on different base programming languages. Three main groups of open source GIS […]

Calculating Polygon Area in ArcMap

Here are the steps for calculating the area of a polygon using ArcGIS.