The best telegram alternative chat options are  nostr:npub1tm99pgz2lth724jeld6gzz6zv48zy6xp4n9xu5uqrwvx9km54qaqkkxn72,  nostr:npub1h0uj825jgcr9lzxyp37ehasuenq070707pj63je07n8mkcsg3u0qnsrwx8 or  nostr:npub1exv22uulqnmlluszc4yk92jhs2e5ajcs6mu3t00a6avzjcalj9csm7d828 that  nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6 recommended (although not built on Nostr, they publish updates to Nostr)

nostr:note1l34v90l424jz7yl5zedmawhgx50sxs84hmhgm2vn58j90rxksgss0pmzrk