"Moonlight is open source, but the codecs are not - they are binary blobs written by (gulp) Microsoft. But for those living in patent-brain-damaged countries, it's about the least bad of several bad alternatives. Adobe has done some 'evil' things but then so has every software company, even Google. I don't think that playing corporate melodrama, picking goodies and baddies, is a sensible way to decide what software to use. Judge whether you have freedom to use, share and change the software in each case. (For the Flash player the answer is clearly no, although Gnash is getting better.)"