Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
Sidify Music Converter - Sidify Music Converter for Spotify is a popular tool used to convert Spotify music to MP3/AAC/WAV/FLAC/AIFF/ALAC. It keeps original audio quality and ID3 tags after conversion.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
DRmare Spotify Music Converter - DRmare Spotify Music Converter is designed to download songs and playlists from Spotify to MP3, FLAC, MAV and other audio formats for playing on any device offline.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
TunePat Spotify Converter - TunePat Spotify Converter is specially designed for converting Spotify songs to MP3/AAC/FLAC/WAV/AIFF/ALAC.