“sett:style”
https://taginfo.openstreetmap.org/keys/sett%3Astyle#overview
“diet:croissant”
“food:croissant”
https://taginfo.openstreetmap.org/keys/food%3Acroissant#overview
“subject:wikimedia_commons”
https://taginfo.openstreetmap.org/keys/subject%3Awikimedia_commons#overview
“footway:crossing:markings”
https://taginfo.openstreetmap.org/keys/footway%3Acrossing%3Amarkings#overview
“cycleway:crossing:markings”
https://taginfo.openstreetmap.org/keys/cycleway%3Acrossing%3Amarkings#overview
“fuel:hydrogen”
https://taginfo.openstreetmap.org/keys/fuel%3Ahydrogen#overview
“whitewater:rapid_name”
“rapids”
https://taginfo.openstreetmap.org/keys/rapids#overview
https://community.openstreetmap.org/t/new-tagging-scheme-for-portages-and-rapids/111814
“crossing:continuous”
https://taginfo.openstreetmap.org/keys/crossing%3Acontinuous#overview
“footway:width”
https://taginfo.openstreetmap.org/keys/footway%3Awidth#overview
“contact:soundcloud”
https://taginfo.openstreetmap.org/keys/contact%3Asoundcloud#overview
“contact:deezer”
https://taginfo.openstreetmap.org/keys/contact%3Adeezer#overview
“contact:applemusic”
https://taginfo.openstreetmap.org/keys/contact%3Aapplemusic#overview
“communication:amateur_radio:repeater:toneburst”
https://taginfo.openstreetmap.org/keys/communication%3Aamateur_radio%3Arepeater%3Atoneburst#overview
“toilets:menstrual_products”
https://taginfo.openstreetmap.org/keys/toilets%3Amenstrual_products#overview
“service:vehicle:injection”
https://taginfo.openstreetmap.org/keys/service%3Avehicle%3Ainjection#overview
“service:vehicle:turbo”
https://taginfo.openstreetmap.org/keys/service%3Avehicle%3Aturbo#overview
“services:charge”
https://taginfo.openstreetmap.org/keys/services%3Acharge#overview
“opening_hours:visitors”
https://taginfo.openstreetmap.org/keys/opening_hours%3Avisitors#overview
“assembly_point:fire”
https://taginfo.openstreetmap.org/keys/assembly_point%3Afire#overview
“conversion”
“frequency_conversion”
https://taginfo.openstreetmap.org/keys/frequency_conversion#overview