David Portas (11/18/2009)
... They include Dataphor, Muldis and various other open source efforts.
Interesting that you mention Dataphor. There have been others that have been religous zealots about Dataphor and I did look at it a while back. What was really interesting about it, it was nothing more than a layer of abstraction over (get this) MS SQL Server. How does that solve anything?
Things may have changed since I last looked at Dataphor, but what good is another layer over something you thing is flawed and broken?