When comparing Notre DAM vs Alfresco, the Slant community recommends Alfresco for most people. In the question“What are the best digital asset management (DAM) solutions?” Alfresco is ranked 1st while Notre DAM is ranked 5th.
Ranked in these QuestionsQuestion Ranking
Pro Free and open source
Licensed under LGPL.
Pro Open source
Pro Flexible metadata
Assets can be classified and marked with aspects, tags, categories. New aspects (sets of metadata) can be created and added to assets.
Pro Free version available
Licensed under LGPL v3.
Pro Self-host and SaaS versions available
Con Not maintained
Does not seem to be maintained much as of 2016.