Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Postmodern.app - Anonymous, short, ephemeral conversations with others
Sayat - Sayat app is all about getting anonymous and honest feedback.
Roomvine - Chatrooms for real life venues, neighborhoods and events
Stupid Chat - World's newest Anonymous Social Network
Berkanan - Chat with people nearby. Even offline, on an ✈️.