VLC 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.
GOM Media Player a completely FREE video player, with its built-in support for all the most popular video and audio formats, tons of advanced features, extreme customizability, and the Codec Finder service, GOM Media Player is sure to fulfill all of your playback needs. With millions of users in hundreds of countries,
GOM Media Player is one of the world`s most popular video players.
KMPlayer is a versatile open source multimedia application for playing DVDs on Windows 8. And like both VLC and GOM, it contains its own internal codecs and is able to play virtually any media file you throw at it. It’s fast, and doesn’t take up a lot of computer resources. It was recently purchased by Pandora and has new features to organize video, music, cover art, and an upcoming app store
XBMC is an award-winning free and open source (GPL) software media player and entertainment hub that can be installed on Linux, OSX, Windows, iOS, and Android, featuring a 10-foot user interface for use with televisions and remote controls. 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.
Daum PotPlayer is currently in beta and it feels a lot like KMPlayer, which is no big surprise considering it’s from the same developer. As with the others in this list, it supports DVD playback as well as a large number of file video and audio file formats. It also supports Blu-ray playback, so if you’re looking for a free program for Blu-ray, PotPlayer is a good choice.