The most mature open-source parametric 3D CAD, suited to mechanical, product and architectural design, with a rich set of workbenches and add-ons.
📐 CAD & Modeling
Parametric CAD, mechanical design, 3D modeling, mesh processing and BIM
Open-source 3D creation suite for modeling, sculpting, animation, rendering and compositing; also common for product visuals.
3D CAD that describes solids in code, ideal for parametric design and 3D-printed parts.
Open-source 2D CAD drafting software, a free alternative for AutoCAD-style plan drawing.
Parametric CAD library that models in Python on top of OpenCascade, exporting STEP and STL.
Open-source tool for processing and editing 3D meshes, popular for cleaning and repairing scan data.
Lightweight open-source parametric 3D CAD with a powerful geometric constraint solver.
Python library for loading and manipulating triangle meshes, handy for batch-processing 3D-printing models.
The evolution of CadQuery: describe parametric 3D models in Python with context managers.
Parametric 3D modeling in JavaScript that runs right in the browser.
The geometry kernel behind many open-source CAD tools, including FreeCAD and CadQuery.
Open-source IFC and BIM toolkit with the Bonsai add-on for Blender.
A newer parametric CAD combining SolveSpace's constraint solver with the OpenCascade kernel; still early-stage.
Veteran 2D CAD drafting software with DXF support and scripting.
A digital sculpting tool that runs in the browser and is quick to pick up.