I have been looking for years after a good data system for my 20,000+ pictures and have now found it.
Photo Database System
5.9 Released Jan 1, 2013
Ideal for anyone who has a photo collection, DBGallery lets you organize and search your photography with ease. It's a completely new way to manage, explore and enjoy your photo collection.
Multi User, Distributed Environment
For those in an office environment DBGallery offers a great way to have all photos in a central location accessible by everyone. Not just shared, but organized and searchable!