Ripple Commander

This app is for the manager of a network of IoT LoRa nodes, for setting up mesh networks.

There is an article here for making your own DIY GPS tracker modules: https://www.instructables.com/id/LoRa-GPS-Tracker

Also, there is this article for making your own sensor modules:
https://www.instructables.com/id/LoRa-Mesh-Sensors/