Kid3 version 3.3.0 – MP3 Audio Tagger recently released, is a free, open-source, cross-platform application for tagging the following music file formats (similar to EasyTag): MP3, Ogg/Vorbis, FLAC, MPC, MP4/AAC, MP2, Speex, TrueAudio, WavPack, WMA, WAV and AIFF. Kid3 version 3.3.0 changelog: Make order of quick access frames configurable. Support separators and submenus in user action context menu. Restore defaults button in settings dialog. CSV import from multiple directories.