VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Trakt.tv - Automatically track TV shows & movies you're watching.
foobar2000 - An advanced freeware audio player for the Windows platform.
TV Time - TVShow Time is the place to track and watch your favorite TV shows and movies
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
Simkl - Simkl is a TV, anime, and movie tracker that keeps a history of all the shows and movies you watch in one, central location. It’s a mobile app, a website, Google Chrome extension to keep track of everything you watch and integrates with many TV apps