Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Gaana - Gaana is the one-stop solution for all your asian music with free, unlimited access
Video DownloadHelper - Browser extension to download videos from the Web
Lark Player - Lark Player – YouTube Music & Free MP3 Top Player is a fine tool developed by Mobiuspace Tech Top Player.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Boom - Boom: Music Player & Equalizer is a beautiful music player app by Global Delight Technologies Pvt.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.