f.lux, the main program, is proprietary (the xflux executable, which is a command-line tool, doesn't have the source code released). The f.lux GUI tool is on the other hand released under the MIT/Expat license, which is a FSF-approved free software license. Now the confusion is that the author of the GUI (Kilian Valkhof) does not state in the license that the xflux binary, which is bundled within the GUI, isn't free (take look at this bug report). Therefore I was fooled that the application is free software. After I discovered this, I removed f.lux from all related pages, and replaced it with a FLOSS alternative (Redshift). But this isn't the issue I'm trying to solve here.

As for emulators, leny2010 asked questions related to them, and I kindly answered them. This is not meant as a discussion about the contents of the affected page(s), but when asked... you understand, right? I agree that using emulators isn't a good thing, and I doesn't recommend to do that to anybody. I have them installed on my computer but doesn't really use them, since I doesn't play games (it's ). Trisquel contains various emulators (for NES/SNES, Atari 2600, GameBoy, etc.) which are practically only useful for playing non-free games, yet it doesn't recommend to use them. I think using some non-free program/game on Trisquel do less harm for the user that require to use them, than doing that on a fully-proprietary system. Although I would like to see all people rejecting any proprietary software, I cannot force them not to use them, so I rather provide a way for them to do it in a free environment.

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