CudenDB, db4o, FastObjects j2, Jeevan, JYD Object Database, ObjectStore, Ozone, PJODe - ODBMS for Java, Sieben Geisslein, SOD

Cayenne, FirstSQL/J, IBM Cloudscape, Inprise JDataStore, JGrinder, ObjectStore EdgeXtend, Sav Zigzag, StoredObjects

AlgebraDB, Axion, CodeBase, Daffodil DB, Herodotus DB, Hypersonic SQL, HyperXtremSQL, Infinity Database Engine, JavaDBF, Mckoi SQL Database