Blender addons to make the bridge between Blender and geographic data
Cross platform (lin/win/mac) geographical information system (GIS)
Python data, Leaflet.js maps
Large-scale WebGL-powered geospatial data visualization analysis
An open source geocoder for openstreetmap data
GeoServer repository
Traccar GPS Tracking System
Interactive, thoroughly customizable maps in the browser
Self-hostable alternative to Google Timeline
Mybatis common mapper, easy to use
Viking is a free/open source program to manage GPS data
Open Source Routing Machine - C++ backend
Handling and basic analysis of hyperspectral data in R
Toolkit for working with and mapping geospatial data
A cartography program with parameter adjustments and gravity fonctions
GWC is a tile server and caching proxy written in Java
... the open-source glide computer
Build your own GPS unit
Open Source Desktop GIS with Surveying and Cartography Functionality
Geographic feature extraction and data mining
Bootable linux distro for Geospatial Applications