I run a meetup, and we would like to share the presenter's screen for the people in the back. However, wireless in the room doesn't always cooperate, and internet may not be available. Is there a pure peer-to-peer screen sharing application that could be run 1-to-N over an ad-hoc network?

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2 Answers

VNC server and client should do the job. I like TightVNC, but there are many other implementations if you don't like this one for some reason.

You can setup the server to accept view-only connections without password, but remote control connections only with a password.

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Also, try TightProjector, which "is a program that can transmit the screen of a particular Windows computer to other computers in the same local-area network. The data is transmitted continuously, in real time".

As far as VNC is concerned, I sometimes had problems with the (low frequency of) screen updates, at least with the old versions I tried in the past.

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