GitHub - leotakacs/YouTube-MP3-Tampermonkey-Script: An automated Tampermonkey script for extracting and downloading audio from a YouTube video. Uses loader.to's YouTube MP3 site.
MP3 Search Script Pro PHP by Theveloper | Codester
YouGrabber v1.0 - Premium YouTube Downloader & YouTube to MP3 Script » Premium Scripts, Plugins & Mobile
uAudio: Mp3 Player/Streamer | Audio | Unity Asset Store