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I need to set up an IM system for a network that won't be connected to the internet - probably just a number of laptops connected via wireless. There will be a central server. What options do I have for clients and server software? Open source or free would be preferred. Thanks.
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XMPP (Jabber) servers work just fine without an internet connection. I use ejabberd and it works quite well, but there are a number of other options for both Linux and Windows servers. XMPP also has excellent client support, including most of the "alternative" IM clients like Adium, Miranda, Pidgin, etc. | |||||
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You could also go for IRC, the Internet Relay Chat. There are several opensource servers and a lot of clients for windows and linux (like mIRC or irssi). We use IRC at our company, where we have most of NOC and Servicedesk in a channel, so questions or announcements can be broadcasted to everyone. | |||
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I have used Vypress chat for years as a private IM system. It works great on a LAN with no inet. Per there web site, there are .nix ports of the client. | |||
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