greenforce player
Free (Open Source)   
1

This is a good multimedia center for playing audio and video

raspbmc
Free (Open Source)   
3

Transfor your Raspberry Pi in a multimedia center with XBMC; simple and cheap.

umplayer portable
Free (Open Source)   
1

This application offers you a multimedia player for video and audio files

kodi xbmc

Kodi (XBMC)

 19.4 (64bit)
Free (Open Source)   
17

This program is a multimedia center with a very active community.

mediaportal

MediaPortal

 2.3.1
Free (Open Source)   
3

Complete media center for your computer; now, you will have all what you want using your computer.

plex media server

Plex Media Server

 1.25.5.5492
Free   
3

Centralize all the multimedia information that you have in your computer.

mkvtoolnix

MKVToolnix

 68.0.0 (64bit)
Free (Open Source)   
1

This program has been designed to view, create and edit any file that would have been created in Matroska.

xulplayer

XULPlayer

 0.6.0
Free (Open Source)   

It is a multimedia player with edition option of the files

skifta

Skifta

 1.57.07
Free   
4

Now, you will have all your fotos, videos and songs whereever you go; wireless and easy.

miro

Miro

 0.3.32
Free (Open Source)   
5

A complete multimedia reproducer and manager that includes its own conversor program and a BitTorrent client.

xbian

XBian

 
Free (Open Source)   
1

Use XBMC in your Raspberry Pi and create an economic multimedia center. Try it today and do not miss this amazing tool.

rasplex

RasPlex

 1.0
Free (Open Source)   
1

Use Plex in your Raspberry Pi and you will move to the next level of players.

musicbee

MusicBee

 3.4.7764
Free   
3

An incredible multi-format player with a lot of good functions; try it and see how it works for you.