Python data, Leaflet.js maps
Open-source JavaScript library for mobile-friendly interactive maps
Large-scale WebGL-powered geospatial data visualization analysis
Traccar GPS Tracking System
Kepler.gl is a powerful open source geospatial analysis tool for data
GeoServer repository
Open Source Routing Machine - C++ backend
Krylov methods for linear problems, eigenvalues, and singular values
Mergo: merging Go structs and maps since 2013
Open source cross-platform Java Visual Traceroute
Toolkit for working with and mapping geospatial data
Showing The Amateur radio Repeaters Tool
Satellite tracking software
GPS track editor for editing tracks and planning (multiple) day tours
A Fractal Zoomer with various functions.
IEC 60870-5-104 protocol tester.
Ladder editor and debugger
Kactus2 is a graphical EDA tool based on the IP-XACT standard.
Open source system for GPS tracking devices