Berkanan - Chat with people nearby. Even offline, on an ✈️.
Bond - A simple app that reminds you to keep in touch with people
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Thankster - Automagically send hand written cards
Roomvine - Chatrooms for real life venues, neighborhoods and events
pplQ - A daily nudge to keep in touch with someone important to you