Switch - It's easy to convert to Mp3, wav, wma, flac, ogg and more with this #1 rated audio file converter. Convert a single audio file, a playlist or a large batch of files.
Apprentice Alf's DeDRM Tools - Everything you ever wanted to know about DRM and ebooks, but were afraid to ask.
TuneMobie Spotify Music Converter - TuneMobie Spotify Music Converter for Mac is best Spotify music downloader that any Mac users can use to download and convert Spotify music to MP3, M4A, WAV or FLAC for offline listening with free or premium account.
DRMBuster - DRMBuster is a powerful all-in-one audio and video conversion software for any kind of purchased or legally obtained music and video.
Transcoder Audio Edition - Audio converter for Linux, Audio transcoder for Linux
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.