3. Licenses

3.1. Software License

Original SiliconCompiler software is licensed under an Apache 2.0 license.

3.2. Documentation License

This document is released under a Creative Commons Attribution 4.0 International License.

3.3. Dependency Licenses

SC relies on the following Python dependencies, which are licensed as shown. Note this table includes dependencies of the dependencies directly declared by SiliconCompiler.

Name	Version	License	Extra
aiohttp	3.13.5	Apache-2.0 AND MIT
distro	1.9.0	Apache Software License
docker	7.1.0	Apache-2.0
fasteners	0.20	Apache-2.0
fastjsonschema	2.21.2	BSD License
GitPython	3.1.50	BSD-3-Clause
graphviz	0.21	MIT
lambdapdk	0.2.12	Apache-2.0
orjson	3.11.9	MPL-2.0 AND (Apache-2.0 OR MIT)
packaging	26.2	Apache-2.0 OR BSD-2-Clause
pandas	2.3.3	BSD License
pillow	12.2.0	MIT-CMU
psutil	7.2.2	BSD-3-Clause
PyGithub	2.9.1	GNU Library or Lesser General Public License (LGPL)
pyslang	10.0.0	MIT License
PyYAML	6.0.3	MIT License
requests	2.34.2	Apache Software License
rich	15.0.0	MIT License
streamlit	1.54.0	Apache-2.0
streamlit-antd-components	0.3.2	—
streamlit-autorefresh	1.0.1	—
cocotb	2.0.1	BSD-3-Clause	cocotb
pydata-sphinx-theme	0.16.1	BSD License	docs
sc-leflib	0.5.1	Apache License 2.0	docs
Sphinx	8.2.3	BSD-2-Clause	docs
codespell	2.4.2	GPL-2.0-only	lint
tclint	0.7.0	MIT License	lint
google-vizier	0.1.21	Apache Software License	optimizer
pytest	8.4.2	MIT License	test
pytest-asyncio	1.2.0	Apache-2.0	test
pytest-cov	7.1.0	MIT	test
pytest-timeout	2.4.0	DFSG approved; MIT License	test
pytest-xdist	3.8.0	MIT	test
PyVirtualDisplay	3.0	BSD License	test
responses	0.26.0	Apache 2.0	test