GLASS a free ODBMS for the Seaside web framework by Roberto Zicari · Published January 1, 2009 · Updated February 16, 2014 GemStone Systems GLASS: GemStone, Linux, Apache, Seaside, and Smalltalk. LINK
Perst. Open Source, Object-Oriented Embedded Database January 1, 2009 by Roberto Zicari · Published January 1, 2009 · Last modified March 12, 2019
OO7J benchmark February 1, 2010 by Roberto Zicari · Published February 1, 2010 · Last modified February 16, 2014
Caché Post-relational Database January 1, 2010 by Roberto Zicari · Published January 1, 2010 · Last modified May 9, 2014