Community Edition is free and open-source (AGPL v3), Chestnut Cloud is our hosted SaaS with no server management needed, and Enterprise Self-Host provides a commercial license for on-premises deployment without AGPL restrictions.

If you modify the Community Edition, you must provide the source code of your modifications to users. You must also keep all chestnut.tools copyright notices intact. Learn more about AGPL v3 at choosealicense.com.

Chestnut.Tools Cloud eliminates server maintenance, provides automatic updates and backups, includes compliance support, and offers predictable subscription pricing. Perfect for schools that want to focus on education, not IT infrastructure.

No. The AGPL only triggers if you provide the modified program as a network service to others. Internal use is fine.

Yes, if those changes are part of the running service. Cosmetic tweaks still count as "modified code" under AGPL v3.

Absolutely. Contact us for Enterprise Self-Host licensing which removes all AGPL obligations.

Choose Enterprise Self-Host if you need on-premises deployment, want to keep modifications private, need to integrate with proprietary systems, or have policies against AGPL licensing. Includes vendor support and license indemnification.

Yes! You can start with Community Edition and upgrade to Cloud or Enterprise later. We can help migrate your data and configuration. Moving from Cloud to self-hosted options is also possible with assistance from our team.

Community Edition includes community support through forums and documentation. Chestnut.Tools Cloud includes email support and compliance assistance. Enterprise Self-Host includes dedicated vendor support with annual contracts.

The Data Processing Addendum (DPA) is a legal contract that governs how we handle personal data for Cloud customers. It covers GDPR compliance, FERPA requirements, data security measures, and breach procedures. You can review our complete DPA at /dpa.