The current VersionTracker developer page does not allow for adding screenshots or very long descriptions, so I'll add more information here in the comment section.

For more information on this product, please see the product page at: http://www.cadentcomputing.com/products/cadent_winecellar.html

The overview screencast can be seen at: http://www.cadentcomputing.com/cadent_winecellar_screencas/

And a sample wine database to play with this product can be downloaded from: http://www.cadentcomputing.com/downloads/wine_sample_database.dmg