ArcView

QGIS is a very popular popular open source GIS software.

GIS Tutorials

Caitlin Dempsey

Online GIS tutorials from Geography Realm for mapping and data analysis.

Query result of GTS spatial data in mongoDB. From: Zhang, Song, & Liu, 2014.

GIS File Formats

Caitlin Dempsey

Listed here are some of the more common file formats along with associated file extension for GIS file types.

ArcGIS on the Cheap

Caitlin Dempsey

If you’ve been wanting to get into using ArcGIS but can’t afford the commercial price tag, Esri is offering a ...