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
distro	1.9.0	Apache Software License
docker	7.2.0	Apache-2.0
fasteners	0.20	Apache-2.0
GitPython	3.2.0	BSD-3-Clause
graphviz	0.21	MIT
lambdapdk	0.2.22	Apache-2.0
orjson	3.13.0	MPL-2.0 AND (Apache-2.0 OR MIT)
packaging	26.3	Apache-2.0 OR BSD-2-Clause
pillow	12.3.0	MIT-CMU
psutil	7.2.2	BSD-3-Clause
PyGithub	2.10.0	GNU Library or Lesser General Public License (LGPL)
pyslang	11.0.0	MIT License
PyYAML	6.0.3	MIT License
requests	2.34.2	Apache Software License
rich	15.0.0	MIT License
cocotb	2.1.0	BSD-3-Clause	cocotb
pandas	3.0.6	BSD License	dashboard
streamlit	1.64.0	Apache-2.0	dashboard
streamlit-antd-components	0.3.2	—	dashboard
streamlit-autorefresh	1.0.1	—	dashboard
pydata-sphinx-theme	0.19.0	BSD License	docs
sc-leflib	0.5.2	Apache-2.0	docs
Sphinx	8.2.3	BSD-2-Clause	docs
codespell	2.4.3	GPL-2.0-only	lint
tclint	0.9.0	MIT License	lint
google-vizier	0.1.21	Apache Software License	optimizer
aiohttp	3.14.5	Apache-2.0 AND MIT	server
fastjsonschema	2.22.2	BSD License	server
pytest	9.1.1	MIT	test
pytest-asyncio	1.4.0	Apache-2.0	test
pytest-cov	7.1.0	MIT	test
pytest-split	0.11.0	MIT License	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	0.26.3	Apache-2.0	test