Jdo Software

db4o by db4objects, Inc.

db4o (database for objects) is the open source object database. Features include native Java and .NET object persistence, object-oriented replication, automatic schema recognition, 400K footprint. Ideal for embedded use and in realtime systems.

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db4o - database for objects by db4o

db4o is a fast client/server Java object database engine with a size of 250kB. Features include transactions, S.O.D.A. querying functionality, automatic object recognition, WeakReference memory management and support for Java Web Start.

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Javelin by Step Ahead Software

Javelin is a lightweight, easy to use, intuitive object modeling and coding environment for Java. Create and manage classes, attributes, methods, inheritance and association relationships in the fastest way possible - visually.

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