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Coeus

Licence

The rules for using Coeus, in plain language.

Copyright (c) 2026 the Coeus author. All rights reserved.

Coeus, including its browser extension, website, workspace, code, documentation and assets (the "Software"), is proprietary software. It is licensed, not sold.

1. Permitted use

You may install the official Coeus extension in your own browser and use Coeus through its normal interface for your own or your organisation's investigative work.

2. Restrictions

Unless the law gives you a right to do so, you may not:

  • copy, redistribute, publish, sell, rent, sublicense or host the Software;
  • modify, translate or create derivative works from it;
  • load an extension copy obtained outside the official distribution channels;
  • reverse engineer, decompile or disassemble it;
  • remove its notices, licence, name or marks; or
  • use it to build a competing product or re-expose its functionality as a service.

3. Your content

Source packs, cases, notes and other content you create remain yours.

4. Other software and services

Third-party software included with Coeus keeps its own licence. External services you choose to use have their own terms. Coeus handles data as described in its privacy policy.

5. No warranty

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

6. Limitation of liability

TO THE FULLEST EXTENT PERMITTED BY LAW, IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF OR OTHER DEALINGS IN THE SOFTWARE.

Nothing in this licence limits a right or liability that the law does not allow to be limited.

7. Ending this licence

If you breach this licence, your permission to use Coeus ends. You must stop using it and delete your copies.

8. Governing law

This licence is governed by the laws of England and Wales, and the courts of England and Wales have exclusive jurisdiction.