Neil Godfrey, over at Metalogger, has made a detailed comparison of support and functionality for institutional repository solutions,INFORMAL comparison of some institutional repository solutions. It is a great starting point for anyone setting up a repository or wondering whether there is a better solution than what they are currently using.
He explains the comparison like this:
Over the last few years I have worked closely with a number of different institutional repository solutions, both open-source and enterprise products. There are several I have not had personal experience with, but I have taken opportunities to speak with a wide number of users of these products, too, as well as with representatives and producers of those solutions. I have also sought input from other users of repositories I am personally familiar with in an attempt to balance out my own personal impressions. The following comparison is based on feedback primarily from managers of the systems — whether they have live production systems or have done extensive testing on systems they expect to take live soon.
The products covered are:
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