Not at the moment, that I know of, but there’s a group of us who are Nostr enthusiasts there. nostr:npub1nj0v6ly23sc5ftjghap9kevjerjncwzlmqehd48lklm2cxshh74sge88gs and a few others built nostr:npub1plasmahqry63jkfw3lwyucut64srprzkm5dnk0ura6sf7fxnjqsqju5z7h outside work and I believe it uses Nostrino. It looks like the last commit was a few months ago.
https://github.com/plasma-social/plasma