Klayout
Klayout is a free, open-source CAD and 3D modelling app for Windows and Linux. This repository will hold the main sources for the KLayout project. It has 1,219 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at KLayout/klayout.
- Linux
- Windows
- CAD & 3D modelling
- Actively maintained
About Klayout
This repository will hold the main sources for the KLayout project. Plugins can be included into the "plugins" directory from external sources.
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What is Klayout?
Klayout is a free, open-source CAD and 3D modelling app for Windows and Linux. This repository will hold the main sources for the KLayout project. It has 1,219 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at KLayout/klayout.
Is Klayout free and open source?
Yes. Klayout's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Klayout?
Download the installer for Windows and Linux from its GitHub Releases page (latest: v0.30.12).
Is Klayout still maintained?
The repository's most recent commit was on Oct 4, 2026. appsgit only lists apps whose repository had a commit in the last six months.