Blender addons to make the bridge between Blender and geographic data
Cross platform (lin/win/mac) geographical information system (GIS)
An open source geocoder for openstreetmap data
Large-scale WebGL-powered geospatial data visualization analysis
Python data, Leaflet.js maps
Accurately Locate Smartphones using Social Engineering
GeoServer repository
Interactive, thoroughly customizable maps in the browser
Self-hostable alternative to Google Timeline
Traccar GPS Tracking System
Mybatis common mapper, easy to use
Open Source Routing Machine - C++ backend
Toolkit for working with and mapping geospatial data
Handling and basic analysis of hyperspectral data in R
Open source cross-platform Java Visual Traceroute
Open Source Desktop GIS with Surveying and Cartography Functionality
... the open-source glide computer
Geographic feature extraction and data mining
GWC is a tile server and caching proxy written in Java
Build your own GPS unit
A Guide of the Trees of Barcelona City