nostr:npub1c0rnyyhmdnvg6xkvrrmgf8rxp3r28jtjhad8vmze8rgxf87aed7qlltlvg by nostr:npub1yx6pjypd4r7qh2gysjhvjd9l2km6hnm4amdnjyjw3467fy05rf0qfp7kza has been my go-to for audio/text chat.  New features all the time, built with the pronicpals of the nostr protocol in mind.  Amazing rooms and vibes.