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We have a small in-house development team and it would be useful if when one of the team is stuck on something to display it on a large TV screen mounted in the office for others to have a look at. Two of the developers are on Linux, the rest on Windows. The TV could plug into a small Linux system like a Raspberry Pi.

Basically I need a cross-platform (Windows and Linux) programme to allow people to share their screen or a specific window on, without the need to go down the whole remote desktop approach.

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    Is a free software a requirement of can it be commercial?
    – Tom
    Commented Jan 14, 2016 at 13:05
  • *or can it be commercial
    – Tom
    Commented Jan 14, 2016 at 13:53
  • Free - preferably in both senses of the term! Commented Jan 14, 2016 at 14:39
  • Just curious as to how that will help (also, what about contention, when there are two problems?).
    – Mawg
    Commented Jan 15, 2016 at 9:31
  • Only one person would share their screen at a time, would be taken in turns. Commented Jan 15, 2016 at 11:53

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You could use the ChromeCast to cast your whole screen as explained on support.google.com:

With Windows laptops/desktops you can cast your desktop/laptop content (vs just the specific Chrome tab). Follow these instructions to start casting your system content:

  1. In the top right corner of your Chrome browser, click the Cast icon Inactive cast extension .
  2. Next to the where it says, “Cast this tab to …”, you’ll see a small dropdown. Click on that to change the source selection.
  3. Choose “Cast this screen/window”
  4. Choose the Chromecast device you want to cast to.
  5. In the “Share your screen” dialog, choose “Entire screen.”
  6. When active, the Cast icon will turn blue Inactive cast extension.
  7. Enjoy your entertainment!

This option seems to be still in beta, and oficially it doesn't support Linux, but on this thread a post of January 2015 says:

It works fine on my Ubuntu linux laptop, allthough no sound when I cast the whole screen.

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    Thanks, I actually bought a Chromecast and am using this - works well on Arch Linux, Ubuntu, Linux Mint, and Windows, with no issues really! :) Commented Feb 18, 2016 at 16:56

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