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Open source licenses

Revokyte is free software

The Revokyte instrument cluster OS is licensed under the GNU General Public License, version 3 or any later version (GPL-3.0-or-later). In plain terms, the license guarantees every user four freedoms: run the software for any purpose, study how it works, share copies, and share modified versions. The one central condition is that distributed copies and modified versions stay under the same license, so those freedoms are preserved downstream. The software comes without warranty, to the extent the license permits.

The instrument cluster application itself lives in the revokyte repository on GitHub, together with the full license text. The Buildroot tree that assembles the application into a flashable OS image, the instrument-cluster-os repository, is separately licensed under the MIT license; the release images and their legal-info archives are published there.

The image contains more than Revokyte

A flashable release image is a complete Linux system, built with Buildroot. Besides Revokyte's own code it bundles the Linux kernel, system libraries, firmware and tools from many independent open source projects, each under its own license, among them GPL-2.0, MIT, BSD and Apache-2.0. Their license terms apply to those components alongside Revokyte's GPL-3.0-or-later.

License information for every release

Each release on GitHub includes a legal-info archive per supported board, generated from the exact build that produced the image. It contains the complete package manifest (every component with its version and license), the license texts of all bundled components, the build configuration, and the corresponding source archives.

For the current release v0.1.0:

Archives for other versions are attached to the corresponding entry on the releases page.

Corresponding source

Revokyte's own source code is available in the repository linked above. The sources of the bundled third-party components ship inside the legal-info archive of each release. If you cannot obtain a source component you are entitled to, contact cwasilei@gmail.com and we will provide it.

This website

The GPL license covers the Revokyte instrument cluster OS, not this website. The website's text and design are © 2025–2026 Christian Hedel, all rights reserved; using them requires prior written permission. The instrument cluster demo on this site uses the device's own typefaces: D-DIN under the SIL Open Font License 1.1 and Pixeltype under GPL-3.0. The demo's shift light logic is a JavaScript port of the GPL licensed application code and remains under GPL-3.0-or-later; its source is public in the website repository.