Windows Communicator - chatting at home on your LAN

I’ve been trying out chat applications that work on my home network for a couple of years now. This one is the best I’ve found so far. It has tons of features and it even has a battleship game you can play over a network. I also had fun grabbing remote screenshots from my wife’s PC while she was chatting with me. The ability to run programs on her PC and view files there is a bit more than I need for a chat application, but it might be great for a tech support person.

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Quote from the website
Windows Communicator - universal chat client,based on ICQ and IRC functionality and solutions. Application can work on Local Area Networks as well as over the Internet.

Basic application functions:

• sending public messages
• private chat
• private message
• secure channels
• remote screenshot
• remote execution
• list running application
• remote shutdown/reboot/logoff/wake up
• others

Note : Each of listed above spy functions may be blocked by users.
Windows Communicator home page