FLAC - A free, open source codec for lossless audio compression and decompression
MusicBrainz Picard - Official website for MusicBrainz Picard, a cross-platform music tagger written in Python.Downloads · MusicBrainz Blog · Picard 2.
Vorbis - Ogg Vorbis is a fully open, general-purpose compressed audio format for mid to high quality...
TagScanner - TagScanner is a multifunction program for organizing and managing your music collection.
Opus Interactive Audio Codec - Opus is a totally open, royalty-free, highly versatile audio codec.
Kid3 - If you want to easily tag multiple MP3, Ogg/Vorbis, FLAC, MPC, MP4/AAC, MP2, Opus, Speex, TrueAudio, WavPack, WMA, WAV and AIFF files (e.