Impressum (hereafter “Sienna”) is a non-propriety, non-commercial open-source project. The project is available on GitHub.

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All Software available at or any sub-domain and any Sienna Network related Github is subject to the GNU AFFERO GENERAL PUBLIC LICENSE version 3, and Sienna doesn’t claim any intellectual property rights to the software. The Sienna logo, trademark, and design are the intellectual property of Sienna.