LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
App for WhatsApp by coldX - Integrated WhatsApp functionality on the Desktop.
MyChat - Secure instant messenger for any network
WhatsGreen Multi Messenger - Easy access to WhatsApp, Line, Telegram, FB Messenger and many others via the Chrome toolbar.
BORGChat - BORGChat is a LAN messaging software program.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.