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!

ScreenRec Streaming Video Recorder - ScreenRec is a free streaming recorder with audio that lets you capture hours of live video from any website.

YTmp3.net - Download your favorite YouTube videos as mp3 files without registration.

iEasyRecorder - iEasyRecorder is a powerful Mac audio recording program which allows you to record audio, sounds and music from any applications.

OnlineVideoConverter.com - OnlineVideoConverter.

MP3myMP3 - MP3myMP3 Recorder saves any audio you hear on your computer straight to mp3 or wav.