Yosys Open SYnthesis Suite

Yosys is an open source framework for RTL synthesis. To learn more about Yosys, see What is Yosys. For a quick guide on how to get started using Yosys, check out Getting started with Yosys. For the complete list of commands available, go to Command Reference.


This documentation recently went through a major restructure. If you’re looking for something from the previous version and can’t find it here, please let us know. Documentation from before the restructure can still be found by switching to version 0.36 or earlier. Note that the previous theme does not include a version switcher.

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