Open source system for GPS tracking devices
Organic Maps is a free Android & iOS offline maps app for travelers
Traccar GPS Tracking System
Next generation cloud
An open source software-defined GNSS receiver
Minimalistic wide-open GPS-locator/tracker
Photo geotagging and culling software
Simple GPS tracking server
CuteBrains is the most efficient school ERP
Simple application for graphical geo tagging of multiple photos
Tracks IOS, Android, Windows, and Java Me/J2ME cell phones
High-precision indoor positioning framework for most wifi devices
GPS Fleet/Vehicle tracking System Using Open Source Traccar Server
#3A - GPS assisted tracking device with GSM connectivity and a lot of
Track your mobile device or cellphone via internet using OpenGTS/GPRMC
Multiplatform Ham Radio APRS and Mapping Program
In development GPS location tracking
Windows Phone 8 app for tracking run or drive with map and stats
Designed for the hobby of launching & tracking weather balloons.
A small portable php/MySQL backend server to track an iPhone