VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Bizdownloader - Bizdownloader is Video Downloader website from top social networking websites like Youtube...
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Transcoder - Transcoder is a free command-line-based video converter that allows you to convert any size of video into a range of audio and video formats.
foobar2000 - An advanced freeware audio player for the Windows platform.
HD Video Converter - HD Video Converter Factory Pro is designed to convert hd video, download hd video from YouTube, and edit hd video(including 4K, 1080P, 720P source in any format).