As I am looking around for the next digital content management system, I decided to gather some usage statistics about the systems I'm most interested in. These are all just estimates as I have to rely on how many institutions self report their usage. The exception is CONTENTdm, which I had to go by the number they use on their marketing materials. CONTENTdm: Used by over 2,000 (number supplied by OCLC website) DSpace : Used by over 1,500 institutions. Fedora Commons : Used by about 300 institutions. Hydra : Used by about 50 institutions. Omeka: Used by over 287 In looking at moving to Fedora Commons or Hydra, I was surprised by how few people are using Hydra. I believe it's because it's notoriously hard to set up, which is why IMLS is funding Hydra in a Box , which should be a turnkey solution. I'll be interested to see how the numbers change after that. We are also thinking of trying out Omeka, and it's good to see that Omeka has a heal
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