YouTube to MP3 Converter is described as 'MP3 Converter is free Youtube to mp3 Converter tool to Convert Youtube To Mp3, Mp4, f4v, webm and more. You may also Download and Convert Vimeo, Dailymotion and more' and is an app in the Audio & Music category. There are more than 50 alternatives to YouTube to MP3 Converter for a variety of platforms, including Online / Web-based, Windows, Mac, Linux and Android. The best alternative is youtube-dl, which is both free and Open Source. Other great apps like YouTube to MP3 Converter are Savemp3.cc (Free), Airy YouTube Downloader (Paid), YoutubeDownloader (Free, Open Source) and youtube-dl-helper (Free, Open Source).
aoydl stands for "Aczkolwiek's own youtube-dl" and is a software written in POSIX shell that retrieves youtube direct video (or audio) urls. It can be used with wget, mpv or any other software through subshells or pipes.