The cdcat is graphical (QT based) multiplatform (Linux/Windows/MacOS) catalog program which scans the directories/drives you want and memoryze the filesystem (including the tags of mp3's) and store it in a small file. The database is stored in a gzipped XML format, so you can hack it, or use it if necessary :-) Cdcat can store the content of some specified files up to a size limit if you want. (for example: .nfo) Features: Searching with regex or wildcards in file names/comments/tags/etc... Read mp3 tags (if you enable it) Autoload database on startup Can mount/umount/eject the cd-drive on Linux Read file content from the specified files (e.g: .nfo) Platform indepentent Gzipped XML format. Import/Export functions for CSV/XML-gtktalog/HTML (including from whereisit) Possibility to add comment for files or directories.