Ubuntu Restricted Extras is described as 'Ubuntu's commitment to only include completely free software by default means that proprietary media formats are not configured 'out of the box'. However, you can install the ability to play popular non-free media formats, including DVD, MP3, Quicktime, and Windows' and is an app in the audio & music category. There are more than 10 alternatives to Ubuntu Restricted Extras for a variety of platforms, including Windows, Mac, Linux, BSD and Self-Hosted apps. The best Ubuntu Restricted Extras alternative is FFmpeg, which is both free and Open Source. Other great apps like Ubuntu Restricted Extras are MPlayer, Adobe Media Encoder, GStreamer and Video Transcoder.