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Simple Local Network Chat Program

I'm looking for a chat application to use in a small company LAN, we are looking for a software that offers secure (encrypted) text communication (voice and video are not a must, but is welcome as well) able to run in different platforms (mainly windows and mac) and free (or Open source)

I have been looking on the internet and I found some nice apps, but all of them fall in some features. For example this one http://messenger.softros.com/ looks very nice, but is only for windows.

This one looks nice too http://lan-chat.srimax.com/ but is not free.

Do you know any suitable application that fits my needs?

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marked as duplicate by Ƭᴇcʜιᴇ007, studiohack Mar 25 '11 at 21:50

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2 Answers 2

Jabber supports encryption and have many clients. It's in use in some universities for example and you should find OpenSources implementations.

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http://silcnet.org/support/faq/client/

I don't think it does voice or video but it is secure Irc-like chat. Edit: correction. Yes it does.

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