Terms of Service

Last Updated: November 25, 2025

Welcome to dnSpy. These Terms of Service ("Terms") govern your use of our website and the dnSpy software. By accessing our website or downloading and using dnSpy, you agree to be bound by these Terms. If you do not agree to these Terms, please do not use our website or software.

1. Acceptance of Terms

By accessing and using this website and the dnSpy software, you accept and agree to be bound by the terms and provisions of this agreement. If you do not agree to abide by the above, please do not use this service.

2. License and Software Use

2.1 Open Source License

dnSpy is licensed under the GNU General Public License v3.0 (GPLv3). The full text of the GPLv3 license governs your use, modification, and distribution of the dnSpy software. By using dnSpy, you agree to comply with the terms of the GPLv3 license.

2.2 Grant of License

Subject to your compliance with these Terms and the GPLv3 license, we grant you a non-exclusive, non-transferable, revocable license to:

• Download and use the dnSpy software for personal, educational, or commercial purposes
• Modify the source code of dnSpy in accordance with the GPLv3 license
• Distribute copies of dnSpy, modified or unmodified, in accordance with the GPLv3 license

2.3 Restrictions

You agree not to:

• Use dnSpy for any illegal purpose or in violation of any local, state, national, or international law
• Use dnSpy to violate the intellectual property rights of others
• Distribute closed-source or proprietary versions of dnSpy that violate the GPLv3 license terms
• Remove or alter any copyright, trademark, or other proprietary notices from dnSpy
• Use dnSpy to develop malware, viruses, or other malicious software
• Attempt to reverse engineer, decompile, or disassemble any compiled components, except as expressly permitted by the GPLv3 license

3. Acceptable Use Policy

3.1 Lawful Use

You agree to use dnSpy and our website only for lawful purposes. You are responsible for ensuring that your use of dnSpy complies with all applicable laws and regulations in your jurisdiction.

3.2 Prohibited Activities

When using dnSpy or our website, you agree not to:

• Engage in any activity that could harm, disable, overburden, or impair our website or interfere with any other party's use of the website
• Use any automated means to access the website for any purpose without our express written permission
• Attempt to gain unauthorized access to any portion of the website, other accounts, computer systems, or networks connected to the website
• Use dnSpy to circumvent security measures of software or systems without proper authorization
• Use dnSpy to infringe upon the intellectual property rights of others
• Transmit any viruses, worms, defects, Trojan horses, or other items of a destructive nature

3.3 Responsible Disclosure

If you discover any security vulnerabilities in dnSpy or our website, we encourage you to report them to us responsibly through our contact page. Please do not publicly disclose vulnerabilities until we have had a reasonable opportunity to address them.

4. Intellectual Property Rights

4.1 Copyright and Trademarks

dnSpy and its original content, features, and functionality are owned by the dnSpy project and its contributors and are protected by international copyright, trademark, patent, trade secret, and other intellectual property laws.

4.2 Third-Party Components

dnSpy incorporates various third-party open-source components. Each component is subject to its own license terms. The use of these components is governed by their respective licenses, which are included with the dnSpy distribution.

4.3 User-Generated Content

By submitting feedback, bug reports, feature requests, or other content to us through our website or contact form, you grant us a worldwide, non-exclusive, royalty-free license to use, reproduce, modify, and distribute such content for the purpose of improving dnSpy.

5. Disclaimer of Warranties

dnSpy and our website are provided on an "AS IS" and "AS AVAILABLE" basis without any warranties of any kind, either express or implied, including but not limited to:

• Warranties of merchantability
• Fitness for a particular purpose
• Non-infringement
• Accuracy or completeness of content
• Uninterrupted or error-free operation

We do not warrant that:

• The software or website will meet your requirements
• The software or website will be uninterrupted, timely, secure, or error-free
• Any errors in the software will be corrected
• The software or website will be compatible with your system

You acknowledge that you download and use dnSpy at your own risk and discretion.

6. Limitation of Liability

To the maximum extent permitted by applicable law, in no event shall dnSpy, its contributors, or any affiliated parties be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to:

• Loss of profits, data, or use
• Loss of business opportunities
• Computer failure or malfunction
• Damage to or loss of records or data
• Any other commercial damages or losses

This limitation applies whether the liability arises from contract, tort, negligence, strict liability, or any other legal theory, even if we have been advised of the possibility of such damages.

Some jurisdictions do not allow the limitation or exclusion of liability for incidental or consequential damages, so the above limitations may not apply to you.

7. Indemnification

You agree to indemnify, defend, and hold harmless dnSpy, its contributors, and affiliated parties from and against any and all claims, liabilities, damages, losses, costs, expenses, or fees (including reasonable attorneys' fees) arising from:

• Your use or misuse of dnSpy or our website
• Your violation of these Terms
• Your violation of any rights of another party
• Your violation of any applicable laws or regulations

8. Third-Party Links and Services

Our website may contain links to third-party websites or services that are not owned or controlled by dnSpy. We have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party websites or services.

You acknowledge and agree that dnSpy shall not be responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with the use of or reliance on any such content, goods, or services available on or through any such third-party websites or services.

9. User Responsibilities

9.1 System Requirements

You are responsible for ensuring that your computer system meets the minimum requirements for running dnSpy and that you have the necessary permissions to install and run software on your system.

9.2 Backup and Data Protection

You are responsible for maintaining appropriate backups of your data. We recommend creating backups before using dnSpy to modify any assemblies or files.

9.3 Legal Compliance

You are solely responsible for ensuring that your use of dnSpy complies with all applicable laws, including but not limited to copyright laws, software licensing agreements, and regulations regarding reverse engineering.

10. Updates and Modifications

10.1 Software Updates

We may release updates, patches, or new versions of dnSpy from time to time. While we strive to maintain backward compatibility, we do not guarantee that updates will not introduce breaking changes.

10.2 Modification of Terms

We reserve the right to modify or replace these Terms at any time at our sole discretion. We will provide notice of any material changes by posting the new Terms on this page and updating the "Last Updated" date.

Your continued use of dnSpy or our website after any changes to these Terms constitutes your acceptance of the new Terms. If you do not agree to the revised Terms, you must stop using dnSpy and our website.

11. Termination

We reserve the right to terminate or suspend your access to our website, with or without notice, for any reason, including but not limited to:

• Violation of these Terms
• Fraudulent, abusive, or illegal activity
• Extended periods of inactivity

Upon termination, your right to use the website will immediately cease. However, your right to use the dnSpy software itself, as licensed under GPLv3, will continue in accordance with that license.

12. Privacy

Your use of dnSpy and our website is also governed by our Privacy Policy. Please review our Privacy Policy to understand how we collect, use, and protect your personal information.

13. Governing Law and Jurisdiction

These Terms shall be governed by and construed in accordance with the laws of the jurisdiction in which the dnSpy project is maintained, without regard to its conflict of law provisions.

Any disputes arising out of or related to these Terms or your use of dnSpy shall be resolved through binding arbitration or in the courts of the applicable jurisdiction, as determined by the nature and location of the dispute.

14. Severability

If any provision of these Terms is found to be invalid, illegal, or unenforceable by a court of competent jurisdiction, such provision shall be modified to the minimum extent necessary to make it valid, legal, and enforceable. If such modification is not possible, the provision shall be severed from these Terms, and the remaining provisions shall continue in full force and effect.

15. Entire Agreement

These Terms, together with our Privacy Policy and the GPLv3 license, constitute the entire agreement between you and dnSpy regarding your use of the website and software, and supersede all prior agreements and understandings, whether written or oral.

16. No Waiver

Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights. Any waiver of any provision of these Terms will be effective only if in writing and signed by an authorized representative of dnSpy.

17. Assignment

You may not assign or transfer these Terms or your rights and obligations under these Terms without our prior written consent. We may assign or transfer these Terms at any time without restriction.

18. Contact Information

If you have any questions about these Terms of Service, please contact us:

• By visiting our contact page: Contact Form
• By visiting our website: dnSpy Homepage

19. Acknowledgment

By using dnSpy or our website, you acknowledge that you have read these Terms of Service, understand them, and agree to be bound by them. If you do not agree to these Terms, you must not use dnSpy or our website.