What are some alternatives?
When comparing Cathy and Gentibus CD, you can also consider the following products
Virtual Volumes View - VVV uses a relational database to store its data.
Disk Explorer Professional - This application is a powerful tool for cataloging all CDs, DVDs, floppies, ZIP disks, or other...
Wincatalog Light - WinCatalog Light provides basic cataloguing functionality:
DiskCatalogMaker - Simple, smart and fast disc management tool.
abeMeda - abeMeda is a powerful and very fast disk cataloging tool, reading metadata like EXIF, IPTC, JPG, TIFF, MP3, AAC (iTunes)
GWhere - GWhere is a catalog manager which allows to maintain a database of yours CDs and other removables media.