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 🤔
~~Owntracks was one of the nextcloud apps,~~ I used it years ago: https://owntracks.org/
It's also on fdroid: https://f-droid.org/packages/org.owntracks.android/
I found the nextcloud app it is PhoneTrack:
It has a big list of supported apps: https://github.com/julien-nc/phonetrack/blob/main/doc/user.md
If you can self host the backend and want to temporarily share your location, check out Hauk: https://github.com/bilde2910/Hauk
Meshtastic too.
Everything #OpenStreetMap related is welcome: software releases, showing of your work, questions about how to tag something, as long as it has to do with OpenStreetMap or OpenStreetMap-related software.
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Join OpenStreetMap and start mapping: https://www.openstreetmap.org/.
There are many communication channels about OSM, many organized around a certain country or region. Discover them on https://openstreetmap.community/
https://mapcomplete.org/ is an easy-to-use website to view, edit and add points (such as shops, restaurants and others)
https://learnosm.org/en/ has a lot of information for beginners too.
