Windows 8.1 now natively supports the MKV video format, which has been supported by the Xbox One for a little while now.
VPlayer is an Android equivalent of VLC—that most wonderful of media playback programs that will take almost any file format you throw its way and chew through it with ease. And a free alpha version is now available.
When Apple TV 3.0 came out, we were unimpressed. Readers asked what else they could use to play their many videos. Here are five nice ones for your needs—nearly all cost less, and do more, than ATV. UPDATED
HDi's Blu-ray player is one of the first great Blu-ray + digital file players we've seen, being BD Live compliant and playing back DivX/XVid/WMV9/H.264/MKV files. Best of all, it's got a built-in BitTorrent client.