LANcet Chat 2.3.301
Description from the publisher
LANcet Chat is free software for real-time message exchange over local network (LAN). With it you don't need to install chat server. All participants can connect any time and they will see each other automatically. Just run chat on every computer and start talking immediately. Allows sending private messages. Can start automatically with Windows and stay in tray. Can use sounds and popup windows for notification. Standard emoticons supported.
Other products of this publisher
A great tool for fast and hassle-free creation of tests of different types