Object database in Java for Java. [Free for non-commercial]
|JYD Object Database
Pure object DBMS written entirely in Java. Multi-user with client-server support and garbage collection. [Commercial]
A complex data management and real-time event processing application for Java and C++ applications.
Open source Java Object Database Management System (ODBMS), with multi-user support, object-level access rights, deadlock detection, and XML/DOM support. [Open Source, GPL/LGPL]
|PJODe - ODBMS for Java
Small footprint ODBMS for Java, written in Java. Simple API and customizable query interface. [Free for non-commercial]
OODBMS that uses persistent references to scale Java Object Serialization. [Open Source, GPL]