GridPlayer is described as 'Simple VLC-based video player that can play multiple videos at the same time. You can play as many videos as you like, the only limit is your hardware. It supports all video formats that VLC supports (which is all of them)' and is a Media Player in the video & movies category. There are more than 10 alternatives to GridPlayer for a variety of platforms, including Windows, Mac, Linux, Flathub and PortableApps.com apps. The best GridPlayer alternative is VLC Media Player, which is both free and Open Source. Other great apps like GridPlayer are MPC-HC, Media Player Classic, Identity and Movies & TV.