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What is the Apache 2.0 license?
Apache 2.0 is a popular open-source license that allows broad use and includes a clear patent permission.
- Category GitHub & code
- Also called Apache License 2.0, Apache-2.0, Apache license
- Updated 20 Oct 2026
Apache 2.0, explained simply
Apache 2.0 lets you use, change, and share the software, including for business.
You must keep the license and notices, and mark files you changed.
It also gives users a license to the maker's patents covered by the code. That is why many companies like it.
This is general information, not legal advice.
On ITG Now, our tool guides and AI models page note when a tool or model uses Apache 2.0, which is open for most uses.
Related terms
Software licenseMIT LicenseOpen sourceGPLOpen weights
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Questions people ask about Apache 2.0
Can I use Apache 2.0 software for business?
In general yes, it allows commercial use if you follow its notice rules. This isn't legal advice.
Apache 2.0 vs MIT: what is the difference?
Both are relaxed. Apache 2.0 is longer and adds a clear patent permission.
Is Apache 2.0 free?
The license costs nothing to use. The software under it is usually free to download.