What is IP Messenger : IP Messenger (IP Messenger, simply for the IPMsg) is a small and convenient real-time communication software, it is suitable for LAN or WAN interconnection real-time communication and document sharing. Especially in the local area network to transfer files / folders very fast! - IPMsg is a LAN instant messaging software, based on TCP / IP (UDP). Can be run on multiple operating platforms (Win / Mac / UNIX / Java), and to achieve cross-platform information exchange. - Do not need server support. - Support Files / Folder transfer (2.00 or later) - Communication of data using RSA / Blofish encryption (version 2.00 and above) - is very small, easy to use, and you can be completely free to use it - the current version already includes: Win32, Win16, MacOS, MacOSX, X11, GTK, GNOME, Java, etc., and open source.