All software produced by The Apache Software Foundation or any of its projects or subjects is licensed according to the terms of the documents listed below. For information regarding our CLAs, please …

The Apache License is permissive; unlike copyleft licenses, it does not require a derivative work of the software, or modifications to the original, to be distributed using the same license.

Complete guide to the Apache License 2.0 license including full license text, permissions, conditions, limitations, and real-world project examples. Learn when and how to use this permissive license.

The 2.0 version of the Apache License, approved by the ASF in 2004, helps us achieve our goal of providing reliable and long-lived software products through collaborative, open-source software …

Include a copy of the Apache License, typically in a file called LICENSE, in your work, and consider also including a NOTICE file. It is also valuable to tag each of your source-code files in case they become …

APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets " []" replaced with your …

May 12, 2025 · This post offers an in‐depth exploration of the Apache License 2.0, covering its background, core concepts, and features. We examine how its balanced permissiveness supports …

Apache software is always available for download free of charge from the ASF and our Apache projects.

Jun 27, 2023 · The Apache License is a permissive open source software license. This type of license gives you a broad range of permissions to use, modify, distribute, and sublicense the software, with …

Learn more about the Apache License 2.0 uses, benefits, and requirements for use in your open source projects while maintaining compliance.