<div align="center">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="assets/flashos_logo_dark.png">
    <img src="assets/flashos_logo_light.png" alt="FlashOS" width="280">
  </picture>

<h1>License</h1>

<p><i>Apache License 2.0 — the project's license notice.</i></p>

<p>
    <a href="README.md"><b>README</b></a> ·
    <a href="DOCUMENTATION.md"><b>Documentation</b></a> ·
    <a href="SETUP.md"><b>Setup</b></a> ·
    <a href="PORT.md"><b>Port</b></a> ·
    <a href="VERSIONING.md"><b>Versioning</b></a> ·
    <a href="CHANGELOG.md"><b>Changelog</b></a> ·
    <b>License</b>
  </p>
</div>

---

**FlashOS** is licensed under the **Apache License, Version 2.0**
(the "License").

## 1. License summary

You may obtain a copy of the License at:
[apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0).

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an **"AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND**, either express or
implied. See the License for the specific language governing
permissions and limitations under the License.

## 2. Copyright notice

**Copyright © 2026 ajhahnde.**

FlashOS is a port and substantial rewrite in Zig of the C-based
architecture originally developed by **Wei-Lin Chang (rhythm16)**.

Portions of this software are derived from:

- [`rhythm16/rpi4-bare-metal`](https://github.com/rhythm16/rpi4-bare-metal)
  — Copyright © Wei-Lin Chang.

## 3. Usage and attribution

Subject to the terms and conditions of this License, each
Contributor hereby grants to You a perpetual, worldwide,
non-exclusive, no-charge, royalty-free, irrevocable copyright
license to reproduce, prepare Derivative Works of, publicly display,
publicly perform, sublicense, and distribute the Work and such
Derivative Works in Source or Object form.

If You institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work or
a Contribution incorporated within the Work constitutes direct or
contributory patent infringement, then any patent licenses granted
to You under this License for that Work shall terminate as of the
date such litigation is filed.

## 4. Redistribution

You may reproduce and distribute copies of the Work or Derivative
Works thereof in any medium, with or without modifications, and in
Source or Object form, provided that You meet the following
conditions:

1. You must give any other recipients of the Work or Derivative
   Works a copy of this License.
2. You must cause any modified files to carry prominent notices
   stating that You changed the files.
3. You must retain, in the Source form of any Derivative Works that
   You distribute, all copyright, patent, trademark, and attribution
   notices from the Source form of the Work.

---

[← Prev: Changelog](CHANGELOG.md)