SPlayer

SPlayer screenshots

It is an open-source player that supports a lot of multimedia formats
Playing HD content
SPlayer 3.5 : Playing HD content

Alternative downloads

The KMPlayer
Audio/video player with support for 3D, 3K, and UHD formats.
4.2.2.2
FREE
ALLPlayer
Multimedia file player with a lot of extra features.
7.5
FREE
Nalsoft Subtitle Player
A convenient and simple video player with full support for text subtitle files.
1.0.0200