4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
MP3 Converter - Mp3 Converter is a free to use as YouTube to MP3 converter that allows you to convert and download YouTube to MP3, MP4, F4V and 3GP formats.
Video DownloadHelper - Browser extension to download videos from the Web
Absolute Audio Converter - Absolute Audio Converter is an award-winning audio converting software.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Kingshiper MP3 Converter for Mac - Kingshiper MP3 Converter for Mac is the best audio converting software that can convert audio/video files to MP3, WAV, M4A, AAC, WMV, FLAC, and other formats at a fast speed.