The Open Source Database Benchmark by Roberto Zicari · Published January 1, 2005 · Updated February 16, 2014 PolePosition on SourceForge Open source benchmark that helps to assess performance implication of using ODBMSs, RDBMSs and ORMs. 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
GLASS a free ODBMS for the Seaside web framework January 1, 2009 by Roberto Zicari · Published January 1, 2009 · Last modified February 16, 2014