2conv.com - 2conv.com is a simple yet powerful online video converter and downloader that allows you to download any YouTube videos in Mp3 quickly.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
KlickAud - Klickaud is a free web-based application to online download SoundCloud track, music, songs in MP3 formats.
Video DownloadHelper - Browser extension to download videos from the Web
Soundcloud into Mp3 - SoundcloudIntoMP3.com is a simple service that helps download mp3 from soundcloud and save for later replay. Convert soundcloud to mp3 in seconds. Fast Soundcloud mp3 converter.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.