delphi-rom
http://code.google.com/p/delphi-orm/source/checkout
Marco Cantu is a big believer in InstantObjects:
http://www./
Others include DObject:
http://www./en/dobject/
and tiOPF
http://tiopf./Doc/overview/index.shtml
You also might be interested in the G Framework:
http://code.google.com/p/g-framework/
