A selection of personal favorites. A small list for now; more to come:

radio klassik Stephansdom (Vienna, Austria)
Vienna’s German-language, listener-supported classical radio station, associated with the Roman Catholic Archdiocese. I’ve written about rkS several times in the past here.
https://radioklassik.at

WRTI (Philadelphia, PA)
Philadelphia’s listener-supported classical music and jazz station.
https://www.wrti.org