Music Tag Editor!

Mp3tag is a powerful and yet easy-to-use tool to edit metadata of common audio formats where it supports ID3v1, ID3v2.3, ID3v2.4, iTunes MP4, WMA, Vorbis Comments and APE Tags.

TagScanner is a multifunction program for organizing and managing your music collection. It can edit tags of mostly state-of-the-art audio formats, rename files based on the tag information, generate tag information from filenames, and perform any transformations of the text from tags and filenames.

EasyTAG is a utility for viewing and editing tags.

Tag&Rename is a music files tag editor that easily handles all popular digital audio formats. No matter what music compressor you prefer, you can keep your music collection organized with Tag&Rename. It is the only tag editor and organizer which has full native support for: mp3 (ID3v1, ID3v2.2, ID3v2.3 and ID3v2.4 tags), MusePack mpc/mp+ (APEv1, APEv2 and ID3v1 tags), Windows Media wma, asf and wmv files, Ogg Vorbis/Flac/Speex (vorbis comments), Apple iTunes and iPod aac (m4a) files including mp4, lossless m4a and protected m4p files, most popular lossless codecs including Monkeys Audio, Flac, Wav Pack, Optim Frog, True Audio, Apple, Windows Media lossless and Wav. »

If you want to easily tag multiple MP3, Ogg/Vorbis, FLAC, MPC, MP4/AAC, MP2, Speex, TrueAudio, WavPack, WMA, WAV and AIFF files (e.g. full albums) without typing the same information again and again and have control over both ID3v1 and ID3v2 tags, then Kid3 is the program you are looking for.

Gracenote, Inc., formerly called CDDB (Compact Disc Data Base), is a company that maintains and licenses an Internet-accessible database containing information about the contents of audio compact discs and vinyl records. It provides software and metadata to businesses that enable their customers to manage and search digital media. Gracenote provides its media management technology and global media database of digital entertainment information to the mobile, automobile, portable, home, and PC markets. Several computer software applications that are capable of playing CDs, such as Winamp, Sony Media Go, and iTunes, use Gracenote's CDDB technology. Gracenote’s database was originally created from and continues to receive voluntary contributions from users. This led to a licensing controversy when Gracenote became commercialized. »

Tagger is application that auto tags audio files. It also supports batch tag editing.

SongKong is a music organization and tagger app designed to simplify the task of managing your digital music collection. SongKong is an easy-to-use application that can be used to to match your songs from online databases and updates your songs with the correct information from these databases, including artwork. SongKong can even match songs that have no metadata by using audio fingerprinting. SongKong can reorganize and rename your songs based on this information, additionally if you use iTunes this is updated as well. »

Meta is a complete tool that helps you manage your digital music collection. It allows for easily editing audio metadata (tags) such as a song's artist, title, album, artwork, etc…

Finetune is the easiest way to fix your music. Fix song information, cover art, lyrics and remove duplicate and missing tracks from your library. Unlike other tagging tools, Finetune works mostly in an automatic way. You just review the proposed changes, maybe tweak them and apply. Finetune listens to your music and calculates its acoustic fingerprint, then it searches for matches in the AcoustID database.

Metadatics is a powerful and advanced audio metadata editor. It supports batch editing of most common audio file types including MP3, M4A, AIFF, WAV, FLAC, APE, OGG, WMA, and more. Lookup metadata from online sources, rename files based on metadata, or manipulate metadata using one of the many built in functions. Metadatics provides all you need to edit metadata with ease and flexibility.

Here you can get an overview of the features of Magic MP3 Tagger.