Element (the matrix chat app) has a “live location” feature (I haven’t had the need to look into anything else)

traccar.org

I’m also pretty sure that I’ve seen more than one relevant Nextcloud apps, but I can’t find one right now 🤔

Thank you for posting this, this is fun! 😊

There is also zellij, which can do the same but also has modern functionality specific for development workspaces!

(Although screen or tmux will still probably be more widely available on remote machines etc)