SongKong is a Music Tagger that aims to make fixing your Music metadata as easy as it possibly can be, with just one a few clicks your songs can be fixed. SongKong provides automatic identification and fixing of your metadata including cover art using MusicBrainz, Acoustid and Discogs. It stores all the changes in a local database enabling you to undo any changes you do not like.

SongKong has both a desktop and Web UI, so not only available for Windows, Mac and Linux, it is also available for Synology, Qnap and Melco Digital Music library

Jaikoz is a comprehensive Music Tagger, allowing you to automtically identify your music , plus super powerful manual editing of your metadata, at all times Jaikoz gives you complete control over what changes are made and all the popular audio formats are supported. It is suitable for both customers organising their music collections and independent artists/performers wishing to make their recordings available online.

A detailed comparison of SongKong and Jaikoz can be found here

Both of these use the Albunack Music Server to provides results quicker then would be possible if using the offerings directly provided by MusicBrainz and Discogs themselves. The Albunack site also allows you to browse any artists release catalog and easily link MusicBrainz to Discogs releases and import Discogs releases directly into MusicBrainz.

Jaudiotagger is an multi format audio tag editing library, this library is used by Jaikoz, SongKong and many other projects.