There are a few models for community data collection/distribution that appear reasonably successful in ADS-B and bird tracking with commercial, non-commercial and academic examples. The challenge is that there are hard costs to collecting/persisting/distributing the data which are incompatible with free (which in reality just means someone else pays).

https://www.adsbexchange.com/how-it-works/

https://www.flightaware.com/adsb/

https://www.birdweather.com/about

https://ebird.org/about