Phraseanet is a Digital Asset Management system (DAM for short) targeting the professionals needs. It’s created and maintained by the french company Alchemy.
ResourceSpace is an open source Digital Asset Management system originally developed for Oxfam by UK company Montala Limited in 2006. Montala continue to manage the project in addition to providing commercial hosting, support and development services relating to the software.
NotreDAM is a multi-user, web-based Digital Asset Management platform.Discontinued
The project seems no longer developed. Last version, 1.09rc1, released in June 2012, can be still downloaded from the official website and GitHub