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OpenRocket — CAD (Open Source)

OpenRocket is an open-source CAD solution from OpenRocket project. Compare it against 88 other CAD tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is OpenRocket?

OpenRocket is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under CAD and published by OpenRocket project. Buyers typically evaluate OpenRocket when they need a dependable CAD option and want to weigh the trade-offs between free, open-source and paid tools before committing.

OpenRocket alternatives

If OpenRocket isn't the right fit, compare these CAD alternatives side by side:

ABViewerAC3DACISAlibre DesignAllplanAltium DesignerArchiCADAutoCADAutoCAD ElectricalAutodesk AliasAutodesk EAGLEAutodesk InventorAutodesk RevitBRL-CAD

Frequently asked questions

Is OpenRocket free?
Yes. OpenRocket is open source and free to use, with no purchase cost for the core product.
What are the best OpenRocket alternatives?
Popular CAD alternatives to OpenRocket include ABViewer, AC3D, ACIS, Alibre Design. See the full list of CAD on FreeSoftwareX.
What type of software is OpenRocket?
OpenRocket is an open-source CAD tool developed by OpenRocket project.

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