...Undo and redo reordering, added or removed tracks, and playlist changes while TrackIndex is open. Imports copy files and leave the originals intact. Artwork and track details load in the background as you browse.
Your music stays on your computer, with no account or library upload. Choose the installer for a normal setup, or standalone to run without installing.
Website: https://www.justagwas.com/projects/trackindex/
Source code: https://github.com/Justagwas/TrackIndex