NotreDAM!

Server-based photo management software from Daminion Software. Single- and multi-user for small teams and creative professionals.

Razuna is an open source Digital Asset Management system. It features version management, collaboration, powerful search, and secure storage and retrieval. NB: Razuna requires a server with Tomcat / Java support; i.e. probably won't work on most shared web hosting accounts.

PicaJet is a powerful, feature-rich, but highly customizable and convenient digital photo management and image database software that will efficiently organize your fast-growing digital image collection.