Amgine@kinetix @ascentale @bobjonkman @epu @atmospheric_cyclist
I have used Osmand with Nextcloud in the past - there are some great options for making tracks visible with reasonably granular privacy options.
Little-known option: multi-user tracks can be mapped to a single map; i.e. a bike group could map all their separate real-time progress toward a meet-up.
All GNU social JP content and data are available under the