VLC Media Player is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVD, Audio CD, VCD, and various streaming protocols. Features includes simple, fast and powerful media player, plays everything.
Media Player Classic - Black Edition (MPC-BE) is a free and open source audio and video player for Windows 10. This media player supports for many formats for watching movies or listening to music, and own rich set of options and advanced settings.
Kodi is a free and open source media player application, It allows users to play and view most videos, music, podcasts, and other digital media files from local and network storage media and the internet.
mpv is a multimedia app that lets you play videos in various formats. It is a free and open-source media player that features high-quality video output, GPU video decoding, and is easy to integrate into other applications. It allows you to adjust the quality, customize framerate, do color management, frame timing, and interpolation.