Software Licenses

Oct 31, 2025 · 4 min read ·

Last Updated: October 31, 2025

Open Source Licensing

Unless otherwise specified, all tools, scripts, and software available on glyph.sh and its associated GitHub repositories are released under the MIT License.

MIT License

MIT License

Copyright (c) 2025 Kevin Kessler

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

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 NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS 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 OR OTHER DEALINGS IN THE
SOFTWARE.

What This Means

The MIT License is a permissive open-source license that allows you to:

Use the software commercially
Modify the software
Distribute the software
Use the software privately
Sublicense the software

Requirements:

Include the original copyright notice and license text in any copies or substantial portions of the software
Understand that the software is provided “as-is” without warranty

Third-Party Dependencies

Some tools may include or depend on third-party libraries and components with their own licenses:

Python Libraries

Many Python tools use the following libraries (check individual tool requirements):

requests - Apache License 2.0
boto3 / botocore (AWS SDK) - Apache License 2.0
psutil - BSD 3-Clause License
colorama - BSD License
dnspython - ISC License
Pillow (PIL) - HPND License
scapy - GNU General Public License v2.0 (GPL v2)

Note: scapy uses GPL v2, a copyleft license. Any derivative works using scapy must also be licensed under GPL v2 or compatible licenses.

PowerShell Modules

PowerShell tools may use the following modules:

Microsoft.Graph - MIT License

External Services

Some tools interact with third-party APIs and services:

AbuseIPDB - Subject to AbuseIPDB Terms of Service
EmailRep.io - Subject to EmailRep Terms

You are responsible for complying with the terms of service of any third-party services you use.

Repository-Specific Licenses

Individual tool repositories may specify different licenses. Check the repository for a LICENSE file:

Proprietary Tools

Some tools mentioned on this site are:

Private/Enterprise: Not publicly available, used for client work
Under NDA: Cannot be shared due to non-disclosure agreements
Commercial: May require separate licensing

These tools are clearly marked as such in their descriptions.

License Violations

If you believe your intellectual property rights have been violated, contact:

Email: KevinKessler@ProtonMail.com

Legal Compliance

While the MIT License grants broad permissions, you must still:

Comply with all applicable laws and regulations
Follow the Terms of Service
Respect third-party terms of service
Use tools only for authorized and lawful purposes

The license does NOT grant permission to:

Violate laws (Computer Fraud and Abuse Act, GDPR, etc.)
Access systems without authorization
Engage in malicious activities
Violate third-party rights

Disclaimer

The MIT License explicitly disclaims warranties and limits liability. By using these tools:

You accept all risk associated with their use
You agree that the author is not liable for damages
You understand that the tools are provided “as-is”
You agree to indemnify the author from claims arising from your use

See the full Terms of Service for complete legal terms.

Contributing

If you contribute to any of the tools via pull requests or other means:

Your contributions will be licensed under the same MIT License
You affirm that you have the right to license your contributions
You grant a perpetual, irrevocable license to your contributions

Attribution

If you use, modify, or distribute these tools, attribution is appreciated but not required under the MIT License:

Suggested Attribution:

Based on tools by Kevin Kessler (glyph.sh)
https://github.com/Glyph-SH/website

Commercial Use

You may use these tools commercially under the MIT License, but:

You must include the license and copyright notice
The author provides no warranties or guarantees
You assume all liability for commercial use
You must comply with all applicable laws and terms of service

Questions

For licensing questions, contact: