Discover the best Cad open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
Package manager for things. Start designing modular hardware! PartCAD is the standard for documenting manufacturable physical products (a.k.a. Digital Thread or TDP). It comes with a set of tools to maintain product information and to facilitate efficient and effective workflows at all product lifecycle phases, boosted by AI.
Swift DSL for parametric 3D modeling
Free, open-source 3D modeling software and SketchUp alternative. Built with Rust, WebAssembly and WebGPU. Runs in your browser or on desktop. 100% vibe-coded with great emphase on rendering speed on UI/UX.
Parametric CAD modeling with Lua
GPL Electronic Design Automation
layerling - Easy 3D CAD for 3D printing
C# library to read/write cad files like dxf/dwg.
A parametric, feature-based CAD app in Rust, with a Bevy UI and rust nurbs b-rep kernel.
A powerful, innovative and intuitive EDA suite for everyone!
The world’s first fully web-based DXF/DWG viewer and editor that runs entirely in the browser — no backend server required.
A Python library for designing chips (Photonics, Analog, Quantum, MEMS), PCBs, and 3D-printable objects. We aim to make hardware design accessible, intuitive, and fun—empowering everyone to build the future.
Parametric 3D CAD with a real B-rep kernel (OpenCASCADE)
powerful cad kernel for web
AI-first Native 3D, CAD & spatial computing. Runtime and JIT compiler for Android (Filament & Jetpack XR), iOS/visionOS (RealityKit), and WebGL2/WebXR.
Boolean Operations for 2D Polygons: Supports intersection, union, difference, xor, and self-intersections for all polygon varieties.
Monorepo for 3D algorithms of Bitbybit platform, which helps programming geometry on the browser. Use with ThreeJS, BabylonJS or PlayCanvas. Build your own core integration or execute algorithms in NodeJS.
Share is a browser-based BIM & CAD viewer and collaboration platform. Supports IFC, STEP, STL, OBJ, GLTF
AutoCAD MCP server for AI agents (Claude, Cursor, any MCP client): 240+ tools to draw, edit and read DWG/DXF drawings. Live AutoCAD via COM, or headless with ezdxf — no AutoCAD needed. Mechanical sheets with ISO GD&T and tolerances, P&ID (ISA-5.1), floor plans, pipe and cable takeoffs.