Last updated: February 4, 2026
Summary: Murmur is a free, open visualization tool. Use it responsibly and at your own risk. We don't collect your data, and you're free to enjoy the experience.
By accessing or using Murmur ("the App"), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the App.
Murmur is a web-based interactive visualization application that creates particle animations (based on the Boids algorithm) which can respond to:
The App is provided free of charge for entertainment and relaxation purposes.
When using the App, you agree to:
Your privacy is important to us. Please review our Privacy Policy, which explains how the App handles (or rather, doesn't collect) your data. In summary: all data processing happens locally on your device, and we do not collect, store, or transmit any personal information.
The App, including its design, code, graphics, and content, is the property of Pavel Sidorov and is protected by intellectual property laws. You may use the App for personal, non-commercial purposes.
The Boids algorithm was created by Craig Reynolds in 1986. The visualization techniques used in this App are inspired by natural phenomena such as bird flocking and bioluminescence.
Important: Murmur is for entertainment and relaxation only. It is not a medical device and should not be used for medical purposes.
The breathing exercises and HRV biofeedback features are provided for general wellness purposes only. They are not intended to diagnose, treat, cure, or prevent any medical condition. If you have any health concerns, please consult a qualified healthcare professional.
Photosensitivity warning: The App contains moving visuals and light effects. If you have a history of photosensitive epilepsy or are affected by flashing lights, please use caution or avoid using the App.
The App is provided "as is" and "as available" without any warranties of any kind, either express or implied, including but not limited to:
We do not warrant that the App will be uninterrupted, error-free, or free of harmful components. Your use of the App is at your own risk.
To the maximum extent permitted by applicable law, Pavel Sidorov and any associated parties shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to:
In no event shall our total liability exceed the amount you paid for the App (which is $0, as the App is free).
The App uses third-party libraries (such as face-api.js) that run locally in your browser. We are not responsible for the functionality or availability of these libraries, though we make reasonable efforts to maintain compatibility.
We reserve the right to modify these Terms of Service at any time. Changes will be posted on this page with an updated "Last updated" date. Your continued use of the App after any changes constitutes acceptance of the new terms.
We reserve the right to terminate or suspend access to the App at any time, without prior notice, for any reason, including violation of these terms.
These Terms of Service shall be governed by and construed in accordance with applicable laws, without regard to conflict of law principles.
If you have any questions about these Terms of Service, please contact us:
Email: pavel@murmurations.app