# DUAL LICENSE AGREEMENT **Copyright © 2025 Inertia Graphics. All rights reserved.** This software and associated documentation (the "Licensed Work") is made available under a dual licensing model. You may choose to use the Licensed Work under either license option below. ## LICENSE OPTIONS ### OPTION 1: GNU GENERAL PUBLIC LICENSE (GPL) The Licensed Work is licensed under the **GNU General Public License version 3.0 (GPL-3.0)**. **Key GPL Requirements:** - **Open Source:** Any modifications or derivative works must also be released under GPL-3.0 - **Source Code:** You must provide source code when distributing the Licensed Work or derivatives - **Copyleft:** Any larger work that includes GPL code must also be GPL-licensed - **Attribution:** You must preserve all copyright notices and license information **Permitted Under GPL:** - Use for any purpose (commercial or non-commercial) - Study and modify the source code - Distribute original or modified versions - Use in commercial products (if entire product is GPL-licensed) **GPL Restrictions:** - Cannot combine with proprietary code in the same program without GPL-licensing everything - Cannot distribute without providing source code - Cannot remove or modify GPL license terms **Full GPL License:** The complete text of GPL-3.0 is available at: https://www.gnu.org/licenses/gpl-3.0.html ### OPTION 2: COMMERCIAL LICENSE If you cannot comply with GPL-3.0 requirements, you must obtain a commercial license from Inertia Graphics. **Commercial License Benefits:** - **Proprietary Use:** Embed in closed-source commercial products - **No Copyleft:** No requirement to open-source your entire application - **Flexible Distribution:** Distribute without source code requirements - **Commercial Support:** Access to technical support and updates - **Legal Protection:** Indemnification and warranty coverage available **When You Need a Commercial License:** - Creating proprietary software products - SaaS applications that don't release source code - Embedding in closed-source commercial systems - OEM or distribution partnerships - Any use where GPL compliance is not feasible **Commercial License Terms:** - Individual negotiation based on use case - Pricing tiers available for different scales - Options for perpetual or subscription licensing - Enterprise packages with support included ## OBTAINING A COMMERCIAL LICENSE **Contact Information:** Email: haydenpennington@icloud.com **Required Information:** - Description of your product/service - Expected distribution scale - Integration requirements - Support needs **License Process:** 1. Submit license inquiry with use case details 2. Receive quote and license terms 3. Execute license agreement 4. Receive commercial license certificate ## COMPLIANCE AND ENFORCEMENT ### License Choice You must clearly identify which license you are operating under and comply with all terms of your chosen license. ### GPL Compliance Monitoring If using under GPL, you must: - Provide prominent notice of GPL licensing - Make source code available as required - Include copy of GPL license with distributions - Document any modifications made ### Commercial License Compliance Commercial licensees receive specific compliance guidelines with their license agreement. ## GENERAL TERMS ### Dual License Clarification This dual licensing means: - The same codebase is available under both licenses - You choose which license to operate under - You cannot mix license terms - Switching between licenses requires new agreement ### Contributions Any contributions to the Licensed Work may be subject to a Contributor License Agreement (CLA) and will be made available under both licensing options. ### Warranty and Liability **GPL License:** Licensed "as is" under standard GPL warranty disclaimers. **Commercial License:** Warranty and liability terms specified in individual commercial license agreements. ### Trademark and Branding "Inertia Graphics" and related trademarks remain property of Inertia Graphics regardless of license choice. ### Governing Law This agreement is governed by the laws of the State of California, United States. Disputes will be resolved in California state or federal courts. --- **License Summary:** - **For Open Source Projects:** Use under GPL-3.0 (free) - **For Proprietary Products:** Commercial license required (paid) **Contact:** haydenpennington@icloud.com **License Version:** 1.0 **Effective Date:** September 12, 2025 --- *This dual license allows maximum flexibility: developers can use our software in open source projects for free under GPL, while commercial developers can purchase a license for proprietary use.*