MusicBrainz Picard is a free and open-source software application for identifying, tagging, and organising digital audio recordings. Developed by Lukas Lalinsky and Robert Kaye
License: Open Source
AudioTag is a web-based tool that excels in simplicity and quick tag retrieval, making it suitable for basic tagging needs. In contrast, MusicBrainz Picard is a more powerful desktop application with extensive features and community support, but it comes with a steeper learning curve.