BROAD INTELLI LIMITED

数学奥林匹克冒险 / Math Olympiad Adventure
Copyright (C) 2025 BROAD INTELLI LIMITED. All Rights Reserved.

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Overview

This software is dual-licensed:

• Open Source (AGPLv3): Free to use under the terms of the GNU Affero General Public License v3.0 (see LICENSE). This requires that all derivative works and network-deployed services also be open-sourced under AGPLv3.
• Commercial License: Required for any use that does not comply with AGPLv3.

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When Do You Need a Commercial License?

You need a commercial license if you want to:

Use Case	AGPLv3 OK?	Commercial License Required?
Personal, non-commercial use	✅	❌
Fork and study the code	✅	❌
Deploy as open-source service (source published)	✅	❌
Build a proprietary/closed-source product	❌	✅
Deploy as a SaaS without releasing your source code	❌	✅
Distribute as a paid app without open-sourcing	❌	✅
White-label or rebrand without open-sourcing	❌	✅
Embed in a commercial product without AGPLv3 compliance	❌	✅

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What the Commercial License Grants You

Upon purchasing a Commercial License, you receive:

1. The right to use, modify, and distribute this software without being bound by AGPLv3’s copyleft requirements.
2. The right to keep your modifications private — no requirement to release your source code.
3. The right to sublicense the software as part of your product or service.
4. The right to distribute compiled/packaged versions (e.g., App Store, Play Store) without open-sourcing.
5. A perpetual license for the version purchased, plus updates for the license term.

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What the Commercial License Does NOT Grant

1. The right to resell this software as a standalone product without modifications.
2. The right to remove copyright notices or claim authorship.
3. The right to use the author’s name, branding, or trademarks in marketing without written permission.
4. Any warranty or guarantee of fitness for a particular purpose.

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How to Obtain a Commercial License

• Download the licensing contract https://broad-intelli.sg.larksuite.com/wiki/JRK4wJDuOiRNXAk434gl17L5gwi?from=from_copylink, fill it out and sign it.
• Send a signed complete PDF to maye@broad-intelli.com.
• Pay the order here https://buy.stripe.com/28E00k1674jsfnngV67ok09 .
• When we see the paid order and have received the contract, we will countersign the contract and send it to you.

For direct inquiries, contact: maye@broad-intelli.com

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Copyright Notice

All source code, assets, game designs, educational content, and documentation in this repository are the exclusive intellectual property of BROAD INTELLI LIMITED, unless otherwise noted. No rights are granted except as expressly stated in the AGPLv3 license or a signed commercial license agreement.

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Enforcement

Unauthorized commercial use of this software without a valid commercial license constitutes copyright infringement and will be pursued to the fullest extent of applicable law.

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Last updated: 2025