NetMessager is Windows application allowing users to send and recieve instant messages over network\Internet. It has set of unique features: - NetMessager supports both UDP (to discover LAN users) and TCP\IP to send messages. - It's quite small (120 Kb executable without optional Updater.exe), and contains all necessary Werkzeuge - built-in sounds, default configuration, etc. It uses Win32 API directly. - It have small memory footprint. - It doesn't requires installation\deinstallation. Simply put all files from archive to any folder and start NetMessager.exe. - It keeps configuration data in their own folder (so it doesn't uses the registry). So you can transfer it to another PC by simply copying this folder. - It restores positions and settings of it's windows on startup. - No dedicated server is required.