4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
Minitube - Minitube is a YouTube desktop application.
YouView - Browse, watch, convert, and download YouTube videos on your Mac faster, because YouView uses the core technologies of Mac OS X to play instead of Flash allowing video to run smoother on systems with lower specs.
Persepolis Download Manager - Persepolis Download Manager is a GUI for aria2.
Tubbler - YouTube Movie Player for Mac OS X.
ByClick Downloader - ByClick Downloader (Former YouTube By Click) is a video downloader software for Windows. (Former YouTube By Click) Supported sites: YouTube, Dailymotion, Vimeo, Facebook, Instagram, Twitter, Pinterest and +40 site