nostr:npub1p2psats79rypr8lpnl9t5qdekfp700x660qsgw284xvq4s09lqrqqk3m82 runs over Tor and works like a charm. Sounds like what you’re looking for 🤙

Bisq and Hodl Hodl are reportedly good as well. Azteco, too. But I would vouch for RoboSats any day