OpenGTS
From Wildsong
OpenGTS is the server component in a fleet management system.
Docker
docker run -d -p 8081:8080 -name opengts mcsaky/opengts-devel docker update --restart always opengts
Locally
http://bellman:8081/track/Track
Everywhere
https://bellman.wildsong.biz/track/Track
I put a proxy set up in Bellman's nginx.