MPlayer - MPlayer is a movie player which runs on many systems (see the documentation).
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Kaffeine - Kaffeine is a media player for the KDE desktop environment.
Corel WinDVD Pro - Get top-quality playback with the world’s most popular Blu-ray and DVD software, Corel WinDVD Pro 12
DVDFab Media Player - DVDFab Media Player is a full-featured video player that comes with the support for Blu-Ray, DVD, and HDR10 video support at up to 4K.
XULPlayer - XULPlayer is an open-source media player and converter built on Mozilla XUL and MPlayer.