Video DownloadHelper - Browser extension to download videos from the Web
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
streamWriter - streamWriter records music broadcasted by internet-radiostations. Features:
DVDVideoSoft YouTube to MP3 Converter - Best YouTube to MP3 Converter of 2019. Any format, any quality, ad-free. Easy YouTube playlists downloads. Loved by users since 2006.