| # 29. License db4objects Inc. supplies the object database engine db4o under a dual licensing regime: ## 29.1. General Public License (GPL) db4o is free to be used: - for development, - in-house as long as no deployment to third parties takes place, - together with works that are placed under the GPL themselves. You should have received a copy of the GPL in the file db4o.license.txt together with the db4o distribution. If you have questions about when a commercial license is required, please read our GPL Interpretation policy for further detail, available at: http://www.db4o.com/about/company/legalpolicies/gplinterpretation.aspx ## 29.2. Commercial License 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. Visit the purchasing area on the db4o website or contact db4o sales for licensing terms and pricing. ## 29.3. Bundled 3rd Party Licenses The db4o distribution comes with the following 3rd party libraries: -Apache Ant(Apache Software License) Files: lib/ant.jar, lib/ant.license.txt Ant can be used as a make tool for class file based optimization of native queries at compile time. This product includes software developed by the Apache Software Foundation (http://www.apache.org/). -BLOAT(GNU LGPL) Files: lib/bloat-1.0.jar, lib/bloat.license.txt Bloat is used for bytecode analysis during native queries optimization. It needs to be on the classpath during runtime at load time or query execution time for just-in-time optimization. Preoptimized class files are not dependent on BLOAT at runtime. -- generated by Doctor courtesy of db4objects Inc.