OpenRGB

What the project is

OpenRGB is a C++ project hosted on GitHub. Open source RGB lighting control that doesn't depend on manufacturer software. Supports Windows, Linux, MacOS. Mirror of https://gitlab.com/CalcProgrammer1/OpenRGB. Releases can be found on GitLab. One of the biggest complaints about RGB is the software ecosystem surrounding it. Every manufacturer has their own app, their own brand, their own style. If you want to mix and match devices, you end up with a ton of conflicting, functionally identical apps competing for your background resources. On top of that, these apps are proprietary and Windows-only. Some even require online accounts. What if there was a way to control all of your RGB devices from a single app, on Windows, Linux, and MacOS, without any nonsense? That is what OpenRGB sets out to achieve. One app to rule them all. The repository is maintained by CalcProgrammer1 and tracks activity through its public issue tracker and commit history. Readers who want a working example rather than a bare library will find the documentation and the linked resources useful for getting a first build running.

What it offers

The OpenRGB repository documents several concrete capabilities that shape how people use it. Set colors and select effect modes for a wide variety of RGB hardware Save and load profiles Control lighting from third party software using the OpenRGB SDK Command line interface Connect multiple instances of OpenRGB to synchronize lighting across multiple PCs These points are taken from the project README, so they reflect what the maintainers actually ship rather than marketing claims. Checking the file list and the example directories gives a fuller picture of how each piece fits together.

How to set it up

The OpenRGB repository points users to https://github.com/CalcProgrammer1/OpenRGB for the source and the setup notes. Although the README does not embed a single copy paste command block, it describes the prerequisites and the workflow needed to use the project. Reading the installation section and the example files is the reliable path to a working environment. The maintainers keep the documentation in the repository so it stays in step with the code.

License and project status

OpenRGB is written primarily in C++ and is released under the GPL-2.0 license, which sets the terms for reuse and redistribution. The project reports around 4339 stars on GitHub, a signal of how many developers have bookmarked it. The source was last updated on 2026-08-21. The canonical location is https://github.com/CalcProgrammer1/OpenRGB, where the license file, the changelog and the open issues give the most current state of the work. Anyone planning to depend on it should read the license text directly before shipping it inside another product.

Editorial conclusion

The OpenRGB source lives at https://github.com/CalcProgrammer1/OpenRGB under the GPL-2.0 license and is mainly written in C++. The README and the linked examples remain the place to confirm the current behaviour before adopting the project.