LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Facebook Messenger Kids - Safer and More Fun Video Calls and Messaging
MyChat - Secure instant messenger for any network
Stack App - Stack is a Tweetdeck for your social apps
BORGChat - BORGChat is a LAN messaging software program.
Caprine - Elegant Facebook Messenger desktop app