Clapper
Clapper is a free and open source, simple and modern media player for Linux GNOME
Ex Falso
Ex Falso is a free and open source, multi-platform program for viewing and editing audio file tags
TV-Lite
TV-Lite is a free and open source, multi-platform program for watching IPTV with Sopcast and Acestream handling capabilities
Dragon Player
Dragon Player is a free and open source, simple and minimalistic media player for Linux
MKVToolNix
MKVToolNix is a free and open source, multi-platform, universal and powerful set of tools for working with MKV format files
Avidemux
Avidemux is a free and open source, multi-platform video editor designed for simple tasks: cutting, filtering and encoding
Vvave
Vvave is a free and open source program for playing your music collection for KDE Linux
VideoMorph
VideoMorph is a free and open source, multi-platform program for converting videos to various formats
Ciano
Ciano is a free and open source simple multimedia converter for Linux
Bino
Bino is a free and open source, multiplatform video player with support for a wide variety of stereoscopic video layouts and formats