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

A web-based 3D CAD application for online model design and editing

Parametric 2d/3d CAD

A powerful, innovative and intuitive EDA suite for everyone!

A CAD application for creating virtual LEGO models

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

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

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

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

基于Vue3 + THREE.JS 免费开源的三维引擎及配套编辑器，包含BIM轻量化、CAD解析预览、粒子系统、插件系统等功能。 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.

3D CAD viewer and converter based on Qt + OpenCascade

Official FOSSCAD Library Repository

Python package for 3D geometry CAD/BIM/CAM

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).