Kantaris is a remarkable free media player, mainly advantageous for being multiplatform (Windows-Linux-Mac), as well as multilanguage and open source, what more could you ask for ...
In terms of format support, it is compatible with the most popular audio and video formats, including CD Audio, DVD discs, ISO images, and is even capable of decompressing RAR files. Likewise, it plays files through the web URL (TV / Radio), uploads and downloads subtitles online. It is possible to search and listen to music via Radio Last.FM, among other interesting features that you will discover as you use it.
kantaris It has an elegant interface, available in Spanish, by default installation with a single Skin but which tends to be customizable. Therefore knowing how to use it will not be a problem. It essentially requires .NET Framework higher than 2.0 (in Windows XP), as I mentioned it also works in Linux and Mac OSX. Its installer file is only 14 MB.
Personally I comment that I use kantaris to view movies, as a free alternative to CyberLink PowerDVD and other payment software.
Official Site | Download Kantaris