nostr:nprofile1qqsdhc93hklp988r3km4844fjln298nf8t7s92sar7dsqha88ph9cfspzdmhxue69uhhwmm59e6hg7r09ehkuef0l3hejg https://mostro.network It's still very new, so I can't speak to how order traffic there is.
Discussion
Yes heard great things about Mostro too