modcore Terms of Use / End User License Agreement (EULA)

Last Updated: March 9, 2026

These Terms of Use / End User License Agreement ("Terms") govern your access to and use of software, browser extensions, websites, and related services developed or distributed by modcore.

1. Acceptance of Terms

By installing, accessing, or using any modcore software, browser extension, or website (collectively, the "Tools"), you agree to be bound by these Terms.

If you do not agree, you must not install, access, or use the Tools.

If you are located in Germany or the European Union, mandatory consumer protection laws apply and are not limited by these Terms.

1.1 Relationship to Other Policies

These Terms govern software use. Financial support activities are governed by our Patreon Terms. Data practices are governed by our Privacy Policy. In case of conflict: (a) Patreon Terms prevail for support matters, (b) Privacy Policy prevails for data matters, (c) these Terms prevail for software use matters.

Continued use of the Tools constitutes acceptance of all referenced policies.

2. Definitions

"modcore" refers to the open-source development initiative operated by private individuals based in Germany.

"Tools" refers to software and browser extensions developed by modcore, including but not limited to modcore Extension Manager, modcore Authenticator, and modcore Clipboard.

"Open-Source Software" refers to components released under an approved open-source license.

"Distributed Version" refers to official builds distributed via platforms such as the Chrome Web Store or Edge Add-ons.

"Closed-Source Components" refers to proprietary elements not released under an open-source license, including branding assets, distribution infrastructure, or exclusive features.

3. Licensing & Open-Source Software

3.1 Open-Source Licensing

Unless explicitly stated otherwise in a specific repository or distribution, modcore Tools are released under the Apache License, Version 2.0.

Your rights to use, modify, and distribute open-source components are governed exclusively by the Apache 2.0 license.

A copy of the license is available at: https://www.apache.org/licenses/LICENSE-2.0

3.2 Closed-Source Components

Certain Distributed Versions of the Tools may include Closed-Source Components.

These components:

• Are not licensed under Apache 2.0

• Remain the exclusive intellectual property of modcore

• May not be copied, modified, or redistributed unless explicitly permitted

Closed-Source Components may include, but are not limited to:

• Official branding and logos

• Proprietary UI assets

• Exclusive features distributed via official channels

• Distribution-specific infrastructure

4. Permitted Use

You may use the Tools for personal, educational, or commercial purposes, provided that:

• You comply with applicable laws

• You do not misrepresent modified versions as official modcore products

• You do not infringe modcore's name, branding, or reputation

Fork and Modification Requirements:

Forks and modified versions must:

• Use a distinct name that does not contain "modcore" or confusingly similar terms

• Display "UNOFFICIAL" or "FORK" prominently in the user interface and all distribution listings

• Link to the original modcore repository

• Not use modcore's official logos, branding, or visual identity without written permission

5. Add-ons, Extensions, and Third-Party Content

5.1 Official Add-ons

Official add-ons or extras developed by modcore may be distributed through official channels such as GitHub or Patreon.

Add-ons distributed via Patreon are subject to our Patreon Terms, including experimental build disclaimers in Section 5 thereof.

Availability, pricing, and access conditions may change at any time.

5.2 Third-Party Add-ons

modcore does not control, audit, endorse, or guarantee third-party add-ons or extensions.

Installing add-ons from non-official sources is done entirely at your own risk.

modcore assumes no responsibility for third-party software, content, or services.

6. Updates, Modifications, and Availability

modcore may:

• Update, modify, or improve the Tools

• Introduce breaking changes

• Discontinue features or entire Tools

Updates may be delivered automatically through browser extension platforms.

You are solely responsible for reviewing changes and maintaining backups of your local data.

modcore does not guarantee backward compatibility.

7. Privacy & Local Data Responsibility

The Tools are designed with a local-first, zero-collection architecture.

modcore does not collect usage data from the Tools.

You are solely responsible for:

• Your locally stored data

• Device security

• Backup and export of your data

Full details are described in the modcore Privacy Policy, which forms an integral part of these Terms.

8. Third-Party Services

Some features may interact with third-party services at your request, including but not limited to:

• GitHub APIs

• Google Chrome Sync

• Patreon

modcore does not control these services and is not responsible for their availability, security, or data handling practices.

Use of third-party services is governed by their respective terms and privacy policies.

9. Prohibited Uses

You may not:

• Use the Tools to train machine learning models or AI systems without written permission from modcore

• Use the Tools in violation of EU, German, or applicable export control regulations

• Remove or circumvent copyright notices, license terms, or attribution requirements

• Distribute malware, spyware, or malicious code disguised as modcore Tools or add-ons

• Interfere with or disrupt the integrity or performance of modcore services

Security Research Exception: Good-faith security research, including vulnerability disclosure following responsible disclosure practices, is permitted and encouraged. Contact ngde@web.de before publishing critical vulnerabilities.

10. Support & Maintenance

Unless explicitly stated otherwise:

• modcore does not guarantee support, maintenance, or response times

• Support is provided on a best-effort basis

• No obligation exists to fix bugs, security issues, or compatibility problems

11. Disclaimer of Warranty

To the maximum extent permitted by German law (BGB):

The Tools are provided "AS IS" and "AS AVAILABLE."

modcore makes no warranties, express or implied, including but not limited to:

• Fitness for a particular purpose

• Merchantability

• Error-free operation

• Continuous availability

Use of the Tools is at your own risk.

12. Limitation of Liability

For users in Germany and the EU:

• modcore is liable without limitation in cases of intent (Vorsatz) and gross negligence (grobe Fahrlässigkeit)

• For slight negligence, modcore is liable only for breach of essential contractual obligations (Kardinalpflichten), limited to foreseeable damages

• Liability for injury to life, body, or health remains unaffected

• Liability under mandatory statutory provisions remains unaffected

Patreon-Specific Liability: For disputes arising from Patreon support, liability is capped per Section 10 of our Patreon Terms.

modcore is not liable for:

• Data loss

• Extension conflicts

• Browser instability

• Incompatibility with future browser versions

13. Termination

modcore reserves the right to restrict or discontinue access to official distribution channels if:

• These Terms are violated

• The Tools are misused

• Unlawful activity is detected

Termination does not revoke rights granted under open-source licenses but may limit access to official builds or services.

14. Age Requirement

The Tools are intended for users aged 16 years or older.

If you are under 16, you may only use the Tools with parental or legal guardian consent.

Note: Financial support through Patreon requires 18+ per Section 1 of our Patreon Terms. No exceptions.

15. Governing Law, Jurisdiction & Dispute Resolution

These Terms are governed by the laws of the Federal Republic of Germany, excluding the UN Convention on Contracts for the International Sale of Goods (CISG).

For merchants or users without a general place of jurisdiction in Germany, the place of jurisdiction is Germany.

This does not affect mandatory consumer protection rights.

Patreon Disputes: Disputes related to Patreon support are subject to binding arbitration per Section 11 of our Patreon Terms.

16. Severability & Entire Agreement

If any provision of these Terms is held unenforceable, the remaining provisions shall remain in full force.

These Terms, together with our Privacy Policy and Patreon Terms, constitute the entire agreement between you and modcore regarding the Tools, superseding any prior agreements or understandings.

17. Changes to These Terms

modcore may update these Terms to reflect legal, technical, or organizational changes.

Continued use of the Tools after changes become effective constitutes acceptance of the updated Terms.

Significant changes will be announced via our website, GitHub repository, or Patreon (for supporters).

18. Contact

For legal, licensing, or security-related inquiries:

Email: ngde@web.de

Location: Germany (EU)