What are some alternatives?
When comparing Camel Disc Catalog and Disk Explorer Professional, you can also consider the following products
Virtual Volumes View - VVV uses a relational database to store its data.
Wincatalog Light - WinCatalog Light provides basic cataloguing functionality:
abeMeda - abeMeda is a powerful and very fast disk cataloging tool, reading metadata like EXIF, IPTC, JPG, TIFF, MP3, AAC (iTunes)
DiskCatalogMaker - Simple, smart and fast disc management tool.
Cathy - An extremly small, very fast and easy to use media cataloging tool.
Azzul - An application that helps you maintain and organize catalogs with media collections, including CD-ROMs and DVDs, audio CDs, diskettes, removable drives, hard drives, etc.