SMPlayer is a cross-platform graphical front-end for MPlayer and forks of Mplayer using GUI widgets offered by Qt.
License: Open Source
SMPlayer is a free and open-source media player with strong subtitle support and YouTube integration, while MX Player offers superior playback performance and a more user-friendly interface. SMPlayer is ideal for users who prefer customization and open-source software, whereas MX Player is better for those looking for smooth playback and a straightforward user experience.