IP Messenger for Win
Downloading IP Messenger for Win 3.52 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. This free PC software can be installed on Windows XP/Vista/7/8 environment, 32 and 64-bit versions.
The most popular versions of the software 3.5 and 3.4. The IP Messenger for Win installer is commonly called ipmsg.exe, IP Messenger 2.05.exe, WinAccelerator.exe, vIpCnfg.exe or msnsusii.exe etc. The program belongs to Communication Tools. This free program was originally produced by H.Shirouzu. We recommend checking the downloaded files with any free antivirus.
From the developer:
IP Messenger For Win is a pop-up style LAN message communication tool for multi platforms. The messenger application is based on TCP and UDP/IP. This communication utility is simple, lightweight, and has a compact size. It does not require a server machine.
You may want to check out more software, such as IP Messenger, Easy Hide IP Registred or Y!Hook Messenger, which might be similar to IP Messenger for Win.