Net Send GUI is plain instant LAN messenger for easy communication. It uses proprietary network protocol which one is based on TCP/IP, and it is not compatible with Microsoft NET SEND. But the Net Send GUI fully compatible with Winpopup LAN Messenger, OfficePopup and etc. Program's window contains two parts. The top one is the list of contacts and the bottom one is the message field. The list of contacts is formed automatically when the Net Send GUI is launched and you can refresh it any time if you press Refresh button.