Download and try Object DB:
- Up to 1,000,000 entity objects
and 10 entity classes per
database file (trial version limit).
- No setup - just extract a zip file.
- No time limit.
ObjectDB is a powerful object oriented database management system (ODBMS). It is compact, reliable, easy to use and extremely fast. ObjectDB provides all the standard database management services (storage and retrieval, transactions, lock management, query processing, etc.) but in a way that makes development easier and applications faster.
See the ObjectDB Object Database Features in more detail...