Greentea Operating System

Warm and cozy, open-source operating system compatible with apps, games and drivers initially made for Microsoft® Windows™

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Greentea is an operating system based on open source code. The main idea of ​​the project is to create a compatible environment for the existing software as fast and as qualitatively as possible and provide the user with the best experience with a personal computer.



Issues and Proposals

Visit out Issues section to dive into development process! You are free to read and share anything important (well, actually bugs), but talking in chatrooms is in prefer. :ru: Мы также говорим на нескольких других языках, но основное общение происходит на русском и английском.


System’s source code is hosted inside Kernel repository. Feel free to make pull requests!


OS Greentea itself is being mostly a GPL project. We are using some parts from other open source projects as well. No proprietary code allowed or in use.

If you found any code which violates GPL, then please open Issue! IT WILL BE REMOVED TO ENSURE GPL CONFORMANCE.

If yours country law disallows use of some parts of the project or has another problem, then DO NOT USE OR DISTRIBUTE binary builds or source code. Open Issue instead!

This project is done by a broad variety of people. To discuss legal issues contact developers directly.


Microsoft, Windows, and the Windows logo are trademarks, or registered trademarks of Microsoft Corporation in the United States and/or other countries.

Other names and brands may be claimed as the property of others.