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db4o open source object database, native to Java and .NET

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db4o Stable Version

db4o Production Version

db4o 7.2 (5)

dRS 7.2 (2)

db4o Development Version

db4o Continuous Build (ALPHA)

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db4o 7.2

Release Notes For db4o-7.2

db4o supports .NET 3.5 with a
uniquely optimized LINQ interfaces > read more

New Type Handler interface for optimal storage and retrieval > read more

dRS now supports collections > read more

Please, note that Transparent Activation/Persistence are not production-ready in this release yet.

Licensed under the GPL. More product information about db4o here.

.NET
Java

Files in this Folder

File	Date Added
db4o 7.2.48.10988 for .NET 2.0 (.msi installer) ~13 MB	2008-02-20	Download
db4o 7.2.48.10988 for .NET 2.0 (zip) ~14 MB	2008-02-20	Download
db4o 7.2.48.10988 for .NET 3.5 (.msi installer) ~11 MB	2008-02-20	Download
db4o 7.2.48.10988 for .NET 3.5 (zip) ~14.5 MB	2008-02-20	Download
db4o 7.2.48.10988 for Java ~30 MB	2008-02-20	Download

Why register?

New to db4o?

Start with the current db4o Production Version 7.2 - a free, full, and unrestricted version of db4o's powerful object database engine.

For a download without registering, please visit db4o's website.

Licensing Information

Free General Public License
db4o is licensed under the GPL by default.
The GPL license is ideal if you plan to use db4o in house or you plan to develop and distribute your own derivative work as free software under the GPL as well.

Commercial License
A commercial license is required if you want to embed db4o in a commercial non-GPL product. Commercial licensees gain access to premium services and support.

"Open" Third Party distribution
db4o's distribution can be found in the folders labelled "db4o". They include db4o's object database engine (in different versions), the ObjectManager and the db4o Replication System (dRS). All of these are referred to as "db4o" in the above statement.

Third party products in this download center are listed in folders labelled "Open". They are not part of db4o or considered distributed by db4objects. When you download third party, "open" software, you accept the license agreement of the respective owner.