VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
MPV - MPV is an audio and movie player based on MPlayer and mplayer2.
Video DownloadHelper - Browser extension to download videos from the Web
MPC-HC - MPC-HC, the free, open source media player for Windows. DownloadsNote. Supported Operating Systems: Windows® XP SP3 .
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.