Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

OpenSCAD - The Programmers Solid 3D CAD Modeller

LibreCAD is a cross-platform 2D CAD program written in C++17. It can read DXF/DWG files and can write DXF/PDF/SVG files. It supports point/line/circle/ellipse/parabola/spline primitives. The user interface is highly customizable, and has dozens of translations.

A python parametric CAD scripting framework based on OCCT

Parametric 2d/3d CAD

A powerful, innovative and intuitive EDA suite for everyone!

A CAD application for creating virtual LEGO models

Stanford Doggo is an open source quadruped robot that jumps, flips, and trots!

This 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.

Early-stage b-rep CAD kernel, written in the Rust programming language.

CAD from a parallel universe

Design circuit boards with code! ✨ Get software-like design reuse 🚀, validation, version control and collaboration in hardware; starting with electronics ⚡️

📐⚙ 2D vector line drawing and shape modeling for CNC and laser cutters.

Official FOSSCAD Library Repository

3D CAD viewer and converter based on Qt + OpenCascade

QCAD - The Open Source 2D CAD. QCAD is a cross-platform CAD solution for Windows, macOS and Linux. It supports the DXF format and optionally the DWG format (through a proprietary plugin).

Parametric 2D and 3D modeler written in pure javascript

Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE.

Python package for 3D geometry CAD/BIM/CAM

A CAD program that runs in the browser