algo.utxo.one offers a relay service equipped with a recommendation algorithm.

Jumble provides a Nostr web client.

Keychat supplies a browser with built-in public key extension login and a Bitcoin Cashu ecash wallet. nostr:note1s6rghju5ek3n79mm0ac8528q3yuetcnaszl9jaqkjgqkdx7e3xjq7pqq4y