Long-form, substack #Nostr... is habla.news the only contender?
There’s blogstack too but not sure if it’s still being maintained.
https://blogstack.io/naddr1qqyxvd3cv9skvvtpqy88wumn8ghj7mn0wvhxcmmv9upzpggzvz325tcf9kz79s9c9627430ccc82r8rgujycwxd43n92y037qvzqqqr4gu5wpw4k
https://blogstack.io/naddr1qqyxvd3cv9skvvtpqy88wumn8ghj7mn0wvhxcmmv9upzpggzvz325tcf9kz79s9c9627430ccc82r8rgujycwxd43n92y037qvzqqqr4gu5wpw4k