Jamboard - Interactive Business Whiteboard | G Suite
LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Surface Studio - A brilliant screen for your ideas, from Microsoft
Softros LAN messenger - LAN messenger for an internal office chat for home or business users. It does not require a server and is very easy to install and use. It supports personal chats, group chats, message brodcasting, files transfer and remote desktop access.
Samsung Flip - A 55" digital white board from Samsung
MyChat - Secure instant messenger for any network