Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Chatterino - Chatterino is a chat client for twitch chat.
Instaround - A simple app to find Instagram photos and people around you.
Chatty - Chat with strangers all around the world in Messenger
Spray - Local chat, made simple
Restream Chat - Restream Chat is a versatile software that permits you to streamline multiple chats in one place.