Berkanan - Chat with people nearby. Even offline, on an ✈️.
Jodel - What is Jodel all about? Jodel is the community that shows you what's happening in your area in real-time.
Yakko - Anonymously post, comment, and interact with people at your university.
Treadie - Create your own micro-social network for topics
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Tick Chat - The app, allows people to chat with others in the same area with anonymously.