Undagrid - Create mesh networks with physical (unpowered) things
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
FaceCat - Chat anonymously with your friends
LINK - Getting in touch with friends and family members is an easy task thanks to LINK mobile app. This is a messaging app that is compatible with Android and iOS devices. Read more about LINK.
Bubi Chat - Location based anonymous chatting app
Amplichat - Chat with people nearby.