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Free alternatives to SolidWorks for Windows

For parts and assemblies, the free option is a parametric modeller with a steeper learning curve.

FreeCAD 1.1.4 Free
Open-source parametric 3D CAD modeller
Updated
2 Nov 2026

Parametric parts, sketches, assemblies and drawings, and it runs without a licence server.

What you give up

Simulation depth, supplier part libraries and the smoother workflow on large assemblies.

SolidWorks is a trademark of its owner. SoftNest is not connected to it. Check each publisher's licence and pricing before you switch.

Other paid programs