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question: What license is OpenSearch released under?
category: General
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All of the software in the OpenSearch project is released under the Apache License, Version 2.0 (ALv2). The ALv2 license grants you well-understood usage rights for OpenSearch. You can use, modify, extend, embed, monetize, resell, and offer OpenSearch as part of your products and services. We have also [published permissive usage guidelines](/trademark-brand-policy.html) for the OpenSearch trademark, so you can use the name to promote your offerings.