FLAC - A free, open source codec for lossless audio compression and decompression
X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
Opus Interactive Audio Codec - Opus is a totally open, royalty-free, highly versatile audio codec.
Vocal Extractor - Vocal Extractor- Karaoke Maker (iPhone) is an app that allows you to separate karaoke and vocals from a song or audio file.
Vorbis - Ogg Vorbis is a fully open, general-purpose compressed audio format for mid to high quality...
Al Vocal Remover - Al Vocal Remover is an online audio editor that allows you to remove vocals and extract karaoke separately from a song.