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<body><div id="pagecontainer"><table><tr><td width="5"> </td><td><a name="License"></a><br>
<a name="outline239"></a><br><h1>18. License</h1><br>
<a href="http://www.db4o.com" target="_blank">db4objects Inc.</a> supplies the object database engine db4o under a triple licensing regime:<br>
<br>
<ul>
<a name="outline240"></a><br><h2>18.1. General Public License (GPL)</h2>db4o is free to be used:<br>
- for development,<br>
- in-house as long as no deployment to third parties takes place,<br>
- together with works that are placed under the GPL themselves.<br>
<br>
You should have received a copy of the GPL in the file db4o.license.html together with the db4o distribution.<br>
<br>
If you have questions about when a commercial license is required, please<br>
read our GPL Interpretation policy for further detail, available at:<br>
<br>
http://www.db4o.com/about/company/legalpolicies/gplinterpretation.aspx<br>
<br>
<a name="outline241"></a><br><h2>18.2. Opensource Compatibility license (dOCL)</h2>The db4o Opensource Compatibility License (dOCL) is designed for free/open source projects that want to embed db4o but do not want to (or are not able to) license their derivative work under the GPL in its entirety. This initiative aims to proliferate db4o into many more open source projects by providing compatibility for projects licensed under Apache, LGPL, BSD, EPL, and others, as required by our users.<br>
The terms of this license are available here: <a href="http://www.db4o.com/about/company/legalpolicies/docl.aspx" target="_blank"> "dOCL" agreement. </a><br>
<br>
<br>
<a name="outline242"></a><br><h2>18.3. Commercial License</h2>For incorporation into own commercial products and for use together with redistributed software that is not placed under the GPL, db4o is also available under a commercial license.<br>
<br>
Visit the <a href="http://www.db4o.com" target="_blank">purchasing area on the db4o website</a> or <a href="mailto:sales@db4o.com" target="_blank">contact db4o sales</a> for licensing terms and pricing.<br>
<br>
<a name="outline243"></a><br><h2>18.4. Bundled 3rd Party Licenses</h2><br>
The db4o distribution comes with the following 3rd party libraries:<br>
<br>
-<a href="http://mono-project.com/Cecil" target="_blank">Mono.Cecil</a>(MIT/X11)<br>
<br>
Used inside Db4oTool.exe, Db4objects.Db4o.Instrumentation.dll and Db4objects.Db4o.NativeQueries.dll<br>
<br>
Cecil is used to read the CIL code during NQ anf TA enhancement.<br>
<br>
-<a href="http://mono-project.com/Cecil" target="_blank">Cecil.FlowAnalysis</a>(MIT/X11)<br>
<br>
Used inside Db4oTool.exe, Db4objects.Db4o.Instrumentation.dll and Db4objects.Db4o.NativeQueries.dll<br>
<br>
Cecil.FlowAnalysis is used to analyse the CIL code during NQ anf TA enhancement.<br>
<br>
-<a href="http://mono-project.com/" target="_blank">Mono.GetOptions</a>(MIT/X11)<br>
<br>
Used inside Db4oTool.exe<br>
<br>
Mono.GetOptions is used to parse the command line of the Db4oAdmin.exe tool.<br>
<br>
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