The open source (GPL v2) turn-by-turn navigation software for many OS

This is the Xastir APRS client repository.

Pwnagotchi Plugins and Things for Mayhem and Profit

setup a Raspberry Pi as a Stratum One time server (GPS with PPS)

Utilities for Raspberry Pi, mostly for usage on a boat. Includes UART control scripts, traffic measurement tools for Mikrotik (RouterOS) and OpenWrt, AIS wireless daemon, AIS decoder and an extensible boat & IoT sensor daemon for Signal K.

A simple gpsd client and python library.

GPSd client library written in Java

🛰️ GPSD client for Go.

GNSS Information dashboard for OpenWrt LuCi

Simulate a simple GPS device with gpsd or geoclue2

NTP Time server for linux receiving time signal by GPS USB dongle / GPS NTP Zeitserver Linux

Experiments with my ITead Studio RPI GPS Add On

Track your vehicle's live location offline by using little more than a Raspberry Pi & a gps dongle, without expensive subscription services.

Track Bluetooth devices and their proximity to a GPS location.

OwnTracks command line interface publisher

A collection of tools for tracking planes/helicopters/UFOs/whatever with ADS-B. Packaged for NixOS with packages and modules

Raster tiles chartplotter

A simple SSID logger

Create an NTP and PTP timeserver using RaspberryPi5 with BerryGPS-IMU and PPS

Prometheus exporter for the gpsd GPS daemon. Collects metrics from the GPSD deamon.