Goofy - A Mac app for Facebook Messenger
Chat for Mac - Facebook Messenger & Chat on your Mac
Messenger for Desktop - A simple & beautiful app for Facebook Messenger.
Chatterino - Chatterino is a chat client for twitch chat.
Chatty - Chat with strangers all around the world in Messenger
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.