Qwasap - A Telegram bot that lets you talk to people who are located anywhere in the world.
Roomvine - Chatrooms for real life venues, neighborhoods and events
Jodel - What is Jodel all about? Jodel is the community that shows you what's happening in your area in real-time.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Treadie - Create your own micro-social network for topics
Vuash - Send secret messages safely.