Ask.fm - Curious? Just ask! Openly or anonymously.
Roomvine - Chatrooms for real life venues, neighborhoods and events
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Tellonym - Tellonym is the most honest place on the internet.
Berkanan - Chat with people nearby. Even offline, on an ✈️.