- https://github.com/kgeographer/geojson-t
- https://github.com/geocoders/geocodejson-spec
- https://github.com/geojson/geojson-ld
- https://github.com/opengeospatial/ogc-feat-geo-json
- https://www.ogc.org/standards/eo-geojson (use GeoJSON LD)
- https://api.stacspec.org/v1.0.0-beta.4/ogcapi-features/#operation/getFeatures
- http://stacspec.org in particular https://api.stacspec.org/v1.0.0-beta.4/ogcapi-features/#operation/getFeature
- https://github.com/mapbox/simplestyle-spec/tree/master/1.1.0
Quite similar to GTFS, CSV based with multiples files