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
ConceptBase January 1, 2008 by Roberto Zicari · Published January 1, 2008 · Last modified February 16, 2014
GeoWeb January 1, 2005 by Roberto Zicari · Published January 1, 2005 · Last modified February 16, 2014