Browse free open source GIS software and projects below. Use the toggles on the left to filter open source GIS software by OS, license, language, programming language, and project status.
Toolkit for working with and mapping geospatial data
Viking is a free/open source program to manage GPS data
Interactive, thoroughly customizable maps in the browser
Interactive visualization of plate tectonics.
Analysis and display of Census, business, government attribute data
Multiplatform Ham Radio APRS and Mapping Program
ERSI Shapefile Viewer
A wildfire decision support system and visualization tool from Emxsys.
Tool to work on map data, to check the data and generate your own maps
Geostatistics and geosciences modeling software