Open Source
Open Source Licenses / SBOM
goCAD uses the following open-source software (OSS) components. The respective license terms apply to each component.
Last updated: July 2026
Software Bill of Materials (SBOM)
Based on METI’s "Guide to Introducing SBOM for Software Management," we provide goCAD’s components in a machine-readable format (SPDX / CycloneDX). You can use it for supply-chain transparency and vulnerability management. Please request it at contact@kotogoo.com.
Component List
| Component | License | Purpose |
|---|---|---|
| OpenCASCADE Technology | LGPL-2.1 (with exception) | STEP import and 3D geometry processing (geometry kernel) |
| Qt (Qt Base) | LGPL-3.0 | GUI and application framework |
| Qt SVG | LGPL-3.0 | SVG icon rendering |
| libdxfrw | GPL-2.0 | DXF drawing export |
If you need the full text of any license, please request it at contact@kotogoo.com. It is also bundled with the installation package.