Open Source Object Oriented Database

OpenSource ObjectOrientedDatabase's:

• PERST (http://www.Perst.Org)
  • Mature, fast, native C#, robust, m-s replication, simple
• db4o (DeeBeeFourOh) http://www.db4o.com
• GOODS (http://www.garret.ru/~knizhnik/goods.html)
• OzoneDb (http://ozone-db.org)
• ZODB (Z Object Database) http://www.zope.org/Wikis/ZODB/FrontPage :
  • Mature software, widely used (all ZopeApplicationServer/Plone CMS installations, but also used standalone)
  • Very flexible with mountable sub-databases and a wide number of storage backends, including SQL
  • Scales to any need using ZEO
  • Active development
• Magma (http://wiki.squeak.org/squeak/2665)
  • ObjectOrientedDatabase for SqueakSmalltalk