Open source utility for GNU/Linux and Windows that intelligently fills in missing MP3 ID3 tags, even when files are named in different formats.

Open source program that automatically retrieves the correct metadata such as titles and album name from Musicbrainz for mp3 files. It then saves the data in ID3v1 or ID3v2 tags and renames the files accordingly.

Open source ID3 tag utility with the ability to rename MP3s based on tags, create tags based on MP3 name, generate playlists, create backup files of lyrics, and auto-neaten all tags. (Requires the Java runtime environment)

Utility to help manage MP3 collections. Combines an MP3 player, tag editor, and file manager. Can rename files based on the ID3 tag, supports M3U playlists, and can export playlists in DBF, TXT, and HTML formats.

Open source, cross-platform MP3 analysis tool that also includes correction and tag editing functionality. Website includes screenshots and documentation.

Program that searches for MP3 files, manages playlists, and plays (through a default player.)

Full-featured file management system for MP3 collections. Includes integrated support for Winamp, automatic scanning of ID3 tags, database functions, file cleanup, and general file management.

Windows MP3 tagger that has been designed to automatically identify MP3 files. Supports all ID3 tag versions and enables to rename, sort and tag music collections.

Windows freeware ID3 tag editor with many advanced features. Supports ID3 versions 1.1, 2.3 and 2.4. [English and German]

An easy-to-use tool to edit metadata of common audio formats. It can rename files, replace characters, import/export tag information, create playlists...