GitHub stars · StarDay

1FreeCAD / FreeCADOfficial source code for the FreeCAD parametric 3D modeler.C++LGPL-2.1 · Share derivative source35,184

2earthtojake / text-to-cadDesign physical products with AIPythonMIT · Permissive25,725

3pascalorg / editorOpen-source 3D architectural editor with a local CLI, MCP tools, and practical workflows for humans and AI agents.TypeScriptMIT · Permissive25,370

4tangency-labs / solidcraftSolidCraft: an open-source parametric 3D CAD application built in pure Rust. Desktop, web, and automation through MCP.RustApache-2.0 · Permissive14,558

5openscad / openscadOpenSCAD - The Programmers Solid 3D CAD ModellerC++License not declared10,606

6HeyPuter / everythingAuthor description: We're rebuilding and open-sourcing the world’s software from scratch.JavaScriptMIT · Permissive7,456

7LibreCAD / LibreCADLibreCAD is a cross-platform 2D CAD program. It can read DXF/DWG, and write DXF/DWG/PDF/SVG files. It supports point/line/circle/ellipse/parabola/hyperbola/spline primitives. The GUI is highly customizable, and has dozens of translations.C++License not declared6,564

8CadQuery / cadqueryA python parametric CAD scripting framework based on OCCTPythonLicense not declared6,072

9Adam-CAD / CADAMCADAM is the open source text-to-CAD web applicationTypeScriptGPL-3.0 · Share derivative source5,403

10xiangechen / chili3dA browser-based 3D CAD for AI-assisted, parametric and direct modeling.TypeScriptAGPL-3.0 · Share derivative source4,970

11solvespace / solvespaceParametric 2d/3d CADC++GPL-3.0 · Share derivative source4,237

12atopile / atopileDesign circuit boards with code! ✨ Get software-like design reuse 🚀, validation, version control and collaboration in hardware; starting with electronics ⚡️PythonMIT · Permissive4,042

13HakanSeven12 / OpenCADStudioA CAD application built with Rust — 2D/3D drawing, DWG/DXF support, and GPU-accelerated renderingRustGPL-3.0 · Share derivative source3,848

14Keychron / Keychron-Keyboards-Hardware-DesignIndustrial design files for Keychron keyboards and mice. 100+ models with CAD assets in STEP, DXF, DWG, and PDF. Source-available, with commercial use allowed for original compatible accessories within the license terms.License not declared3,826

15gumyr / build123dA python CAD programming libraryPythonApache-2.0 · Permissive3,642

16Open-Cascade-SAS / OCCTOpen CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE.C++LGPL-2.1 · Share derivative source3,133

17KiCad / kicad-source-mirrorThis is an active mirror of the KiCad development branch, which is hosted at GitLab (updated every time something is pushed). Pull requests on GitHub are not accepted or watched.C++GPL-3.0 · Share derivative source3,117

18LibrePCB / LibrePCBA powerful, innovative and intuitive EDA suite for everyone!C++GPL-3.0 · Share derivative source3,043

19mlt131220 / Astral3DA free and open source 3D engine and supporting editor based on Vue3 + THREE.JS, including BIM lightweight, CAD analysis preview, particle system, plug-in system and other functions. A free and open-source 3D engine based on Vue3 + THREE.JS and its accompanying editor, featuring functions such as BIM lightweighting, CAD parsing preview, particle system, and plugin system.JavaScriptApache-2.0 · Permissive2,490

20microsoft / maker.js📐⚙ 2D vector line drawing and shape modeling for CNC and laser cutters.TypeScriptApache-2.0 · Permissive2,047