4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
MediaHuman YouTube to MP3 Converter - Extracts MP3 audio from YouTube, Vimeo, Dailymotion, Mixcloud, Bandcamp, SoundCloud and many others. Available for macOS, Windows and Ubuntu/Linux. FREE!
Freemake Video Downloader - Freemake Video Downloader downloads videos from more than 10,000 sites. Absolutely FREE. Download YouTube in HD, MP4, MP3. **Voted best of 2018**.
YTmp3.net - Download your favorite YouTube videos as mp3 files without registration.
Video DownloadHelper - Browser extension to download videos from the Web
OnlineVideoConverter.com - OnlineVideoConverter.