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Protégé is used by researchers, developers, and organizations worldwide. Get involved, ask questions, and contribute.

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Protégé 5 and later. Earlier releases were distributed separately.

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Protégé is an open-source project and contributions are welcome — whether that's answering questions on the mailing lists, improving the wiki, or submitting pull requests on GitHub.

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Help us with development by forking our repo or reporting bugs on our GitHub page. Plus, you'll be the first to see updates.