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!
Savemp3 - Savemp3 is an online video converter and downloader that supports videos from YouTube, Facebook, Instagram, Soundcloud music, Twitter, Reddit, Vimeo, and Dailymotion.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
FreeGrabApp YouTube to MP3 Converter - Application for converting YouTube videos to MP3.
Video DownloadHelper - Browser extension to download videos from the Web