Limitations:
Trial version supports only a maximum of 5,000 objects per database file
Editors Note
Useful object database for JAVA applications which comes with lot of useful features. This database provides Java Data Objects(JDO) support and it enables you to easily create new databases, run JDOQL queries, view and update database scheme and more. You can easily create, modify as well as can remove Java database objects. Supports two different modes such as embedded database mode, client server database Mode as well as N-tier architecture.