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tidy3d
Python

tidy3d

fast, large scale photonic simulation platform

by flexcompute · GitHub
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electromagneticsfdtdpydanticLGPL-2.1Python
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In plain words

Set up and manage large-scale simulations of electromagnetic problems using a Python interface.

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353352
2026-07-202026-08-31
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📄 About

fast, large scale photonic simulation platform

tidy3d has 352 stars on GitHub. It has been forked 78 times. tidy3d is written mainly in Python. It has been in active development since 2021. tidy3d is available under the LGPL-2.1 license. Its main topics are electromagnetics, fdtd, pydantic, python.

Frequently asked questions

What is tidy3d?

fast, large scale photonic simulation platform

Is tidy3d open source?

tidy3d is an open-source project. It is released under the LGPL-2.1 license.

Is tidy3d free?

Yes. tidy3d is free and open source — you can use, modify and self-host it. Its LGPL-2.1 license is copyleft: if you distribute a modified version, it must remain under the same license.

What license does tidy3d use?

tidy3d is available under the LGPL-2.1 license.

What language is tidy3d written in?

tidy3d is written mainly in Python.

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