Usage Guide

How to apply LUCA to your projects

Quick Start

Step 1: Add License File

Copy the LUCA license to your project root:

curl -o COPYING https://raw.githubusercontent.com/druvx13/LUCA/main/COPYING

Step 2: Update Copyright

Replace placeholder with your info:

Copyright (C) 2026 Your Name

Step 3: Add Badge (Optional)

Add to your README.md:

[![LUCA](https://img.shields.io/badge/License-LUCA-blue.svg)](https://github.com/druvx13/LUCA)

Package Metadata

Configure your package manager

npm (package.json)

{
  "name": "your-package",
  "version": "1.0.0",
  "license": "SEE LICENSE IN COPYING",
  "author": "Your Name"
}

Python (setup.py)

from setuptools import setup

setup(
    name='your-package',
    version='1.0.0',
    license='LUCA Free License v1.0',
    author='Your Name',
)

Python (pyproject.toml)

[project]
name = "your-package"
version = "1.0.0"
license = {text = "LUCA Free License v1.0"}

Rust (Cargo.toml)

[package]
name = "your-package"
version = "1.0.0"
license-file = "COPYING"

Maven (pom.xml)

<licenses>
    <license>
        <name>LUCA Free License</name>
        <url>https://github.com/druvx13/LUCA</url>
        <distribution>repo</distribution>
    </license>
</licenses>

Composer (composer.json)

{
    "name": "vendor/package",
    "license": "proprietary",
    "description": "Licensed under LUCA Free License v1.0"
}

Badges

Show your project is LUCA-licensed

Standard Badge (Blue)

LUCA License

[![LUCA License](https://img.shields.io/badge/License-LUCA-blue.svg)](https://github.com/druvx13/LUCA)

Version Badge

LUCA License v1.0

[![LUCA License](https://img.shields.io/badge/License-LUCA%20v1.0-blue.svg)](https://github.com/druvx13/LUCA)

Flat Style

LUCA License Flat

[![LUCA License](https://img.shields.io/badge/License-LUCA-blue.svg?style=flat)](https://github.com/druvx13/LUCA)

Flat Square Style

LUCA License Flat Square

[![LUCA License](https://img.shields.io/badge/License-LUCA-blue.svg?style=flat-square)](https://github.com/druvx13/LUCA)

For the Badge Style

LUCA License For the Badge

[![LUCA License](https://img.shields.io/badge/License-LUCA-blue.svg?style=for-the-badge)](https://github.com/druvx13/LUCA)

Custom Colors

Green Red Purple Orange

Change 'blue' to: green, red, purple, orange, yellow, etc.

Source File Headers (Optional)

Add copyright notices to your code files

Python

# Copyright (C) 2026 Your Name
# Licensed under LUCA Free License v1.0
# DO WHAT THE FUCK YOU WANT TO.

JavaScript / TypeScript

/*
 * Copyright (C) 2026 Your Name
 * Licensed under LUCA Free License v1.0
 * DO WHAT THE FUCK YOU WANT TO.
 */

C / C++ / Java

/*
 * Copyright (C) 2026 Your Name
 * Licensed under LUCA Free License v1.0
 * DO WHAT THE FUCK YOU WANT TO.
 */

Go

// Copyright (C) 2026 Your Name
// Licensed under LUCA Free License v1.0
// DO WHAT THE FUCK YOU WANT TO.

Rust

// Copyright (C) 2026 Your Name
// Licensed under LUCA Free License v1.0
// DO WHAT THE FUCK YOU WANT TO.

Ruby

# Copyright (C) 2026 Your Name
# Licensed under LUCA Free License v1.0
# DO WHAT THE FUCK YOU WANT TO.

Using LUCA-Licensed Code

Can I use it in my project?

Yes! Use LUCA code in any project, commercial or non-commercial.

Can I modify it?

Yes! Modify it however you want with no restrictions.

Do I need to share modifications?

No. Keep modifications private or release under any license.

Do I need to include the license?

No, but it's good practice to acknowledge the original authors.

Can I sublicense?

Yes. Distribute under a different license if you want.

Can I use it commercially?

Yes! Full commercial use with zero restrictions.

Best Practices

✅ DO:

Include the COPYING file in your repository

Add a badge to your README for visibility

Mention the license in project description

Keep the warranty disclaimer intact

❌ DON'T:

Remove the warranty disclaimer (legal protection)

Claim the license requires attribution (it doesn't)

Misrepresent LUCA as a copyleft license

Mix up LUCA with other licenses

Displaying License in Your App

Command-line Application

$ myapp --license
Licensed under LUCA Free License v1.0
DO WHAT THE FUCK YOU WANT TO.

Web Application Footer

<footer>
  <p>Licensed under <a href="https://github.com/druvx13/LUCA">
    LUCA Free License v1.0
  </a></p>
</footer>

About Dialog

MyApp v1.0
Copyright (C) 2026 Your Name
Licensed under LUCA Free License v1.0

DO WHAT THE FUCK YOU WANT TO.

Complete Checklist

Before releasing your LUCA-licensed project:

COPYING file exists in repository root

☐ Copyright year and name are updated in COPYING

☐ README mentions the license

☐ License badge added to README (optional)

☐ Package metadata updated with license info

☐ No false claims about license requirements

Example Project Structure

my-project/
├── COPYING              # LUCA license file
├── README.md            # With LUCA badge
├── src/
│   ├── main.py         # Optional: license header
│   └── utils.py
├── package.json        # License metadata
└── tests/

Need Help?

📖 FAQ

Check the frequently asked questions

View FAQ

ℹ️ About

Learn more about LUCA philosophy

About LUCA

🐙 GitHub

Open issues or contribute

GitHub Repo

Remember

The beauty of LUCA is its simplicity. Don't overthink it.

Just DO WHAT THE FUCK YOU WANT TO. 🚀