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
Photo geotagging and culling software
Minimalistic wide-open GPS-locator/tracker
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