Download / Install

Download the latest Yosys release source code from GitHub: Release Notes and Download Links

Yosys is part of the Tabby CAD Suite and the OSS CAD Suite! The easiest way to use Yosys is to install the binary software suite, which contains all required dependencies and related tools. Download the latest nightly build here: OSS CAD Suite Download Links

Many Linux distributions also have Yosys packages (not maintained by us, so they may or may not be up to date with the latest releases). Check your package manager!

Installing Tabby/OSS CAD Suite

Binaries are available for Linux (x64, arm, arm64, riscv64), macOS (x64) and Windows (x64). Extract the archive in a location of your choice and source the environment script:

Linux / macOS

source <extracted_location>/oss-cad-suite/environment

Windows

From existing shell:

<extracted_location>\oss-cad-suite\environment.bat

To create a new shell window:

<extracted_location>\oss-cad-suite\start.bat

Building Development Sources

Linux / macOS

Clone source code from git repository:

git clone https://github.com/YosysHQ/yosys.git
cd yosys
git submodule update --init

Follow the instructions for building from source on Read the Docs.