GitHub - cdpq/gps-logger: A GPS logger for Android mobile devices.
Releases · mendhak/gpslogger · GitHub
Open Source SD Card GPS logger based on ST microcontroller - Electronics-Lab.com
GPS SD Data Logger
GitHub - merlos/iOS-Open-GPX-Tracker: GPS Tracker app for iOS + WatchOS. Log your tracks without limits and share them; Open source GPX tracker app written in Swift