MusicBrainz Picard is a free and open-source software application for identifying, tagging, and organising digital audio recordings.

Kid3 is an open-source cross-platform audio tag editor for many audio file formats.

Ex Falso is a free and open source, cross-platform audio tag editor.

MP3 Diags is a GUI-based application that allows users to identify issues with their MP3 files.

aTunes is a free and open source audio player with MPlayer as its playback engine. aTunes supports MP3, Ogg Vorbis, FLAC and other formats. aTunes allows user…

Puddletag is an audio tag (metadata) editor for audio file formats.

Song Kong is an intelligent music tagger app designed to make the task of managing, organizing and cleaning up your digital music collection easy.