White Noise is the nostr based SimpleX. Pretty new but promising.
@White Noise
npub1whtn0s68y3cs98zysa4nxrfzss5g5snhndv35tk5m2sudsr7ltms48r3ec
White Noise
The chat with no phone number and no central server to shut down.
github.com/marmot-protocol/whitenoise
