cad — open-source software health

PyPI

98Exceptionalhealth index

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.

Python★ 1,005↓ 261K/moAug 11, 2026

MITAug 11, 2026 · metrics 2.10.0

crates.io · npm

96Exceptionalhealth index

KittyCAD/modeling-app

The Zoo Design Studio app.

TypeScript · Rust★ 1,280↓ 55.4K/moAug 23, 2026

MITAug 23, 2026 · metrics 2.10.0

npm

94Exceptionalhealth index

pascalorg/editor

Create and share 3D architectural projects.

TypeScript★ 21.1K↓ 39.2K/moAug 5, 2026

MITAug 5, 2026 · metrics 2.10.0

PyPI

91Excellenthealth index

CadQuery/cadquery

A python parametric CAD scripting framework based on OCCT

Python★ 5,595Aug 13, 2026

Custom licenseAug 13, 2026 · metrics 2.10.0

PyPI

90Excellenthealth index

gumyr/build123d

A python CAD programming library

Python★ 2,695↓ 272.1K/moJul 25, 2026

Apache-2.0Jul 25, 2026 · metrics 2.10.0

npm

89Excellenthealth index

andymai/brepjs

Web CAD library with exact B-Rep geometry

TypeScript★ 89↓ 21.4K/moAug 22, 2026

Apache-2.0Aug 22, 2026 · metrics 2.10.0

npm

88Excellenthealth index

Vertexvis/vertex-web-sdk

Monorepo for Vertex UI Components.

TypeScript★ 14Jul 19, 2026

MITJul 19, 2026 · metrics 2.10.0

npm

88Excellenthealth index

kittycad/kittycad.ts

The TypeScript API client for Zoo.

TypeScript★ 16↓ 18.8K/moJul 17, 2026

MITJul 17, 2026 · metrics 2.10.0

PyPI · npm

87Excellenthealth index

datadrivenconstruction/OpenConstructionERP

Open-source construction ERP - BOQ, PDF/CAD/BIM takeoff, AI cost matching. 42 regional catalogues, 21 languages, 71 modules. AGPL-3.0. v3.0 - pip install openconstructionerp

TypeScript · Python★ 513↓ 8,659/moJul 16, 2026

Custom licenseJul 16, 2026 · metrics 2.10.0

crates.io

86Excellenthealth index

KittyCAD/ezpz

Open-source geometric constraint solver

Rust★ 41↓ 27.4K/moJul 17, 2026

MITJul 17, 2026 · metrics 2.10.0

crates.io

86Excellenthealth index

KittyCAD/kittycad.rs

The Rust API client for Zoo.

Rust★ 61↓ 32.7K/moJul 31, 2026

MITJul 31, 2026 · metrics 2.10.0

crates.io

83Excellenthealth index

iShape-Rust/iOverlay

Boolean Operations for 2D Polygons: Supports intersection, union, difference, xor, and self-intersections for all polygon varieties.

Rust★ 196↓ 977.3K/moJul 30, 2026

Apache-2.0Jul 30, 2026 · metrics 2.10.0

npm

83Excellenthealth index

microsoft/maker.js

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

TypeScript · JavaScript★ 2,013↓ 143.7K/moJul 21, 2026

Apache-2.0Jul 21, 2026 · metrics 2.10.0

npm

83Excellenthealth index

mlightcad/libredwg-web

A DWG/DXF JavaScript parser based on libredwg

C★ 70↓ 81.7K/moJul 29, 2026

GPL-3.0Jul 29, 2026 · metrics 2.10.0

npm

80Excellenthealth index

Vertexvis/vertex-api-client-node

The Vertex REST API client for Node.js.

TypeScript★ 2↓ 3,175/moJul 17, 2026

MITJul 17, 2026 · metrics 2.10.0

npm · crates.io

80Excellenthealth index

andymai/occt-wasm

OpenCascade (OCCT) compiled to WebAssembly — clean TypeScript API, ~4MB brotli, arena-based memory, structured errors, Web Worker support

Rust · TypeScript · C++★ 31↓ 10.3K/moJul 26, 2026

MITJul 26, 2026 · metrics 2.10.0

—

80Excellenthealth index

earthtojake/text-to-cad

A library of agent skills for CAD, CAE and CAM

Python · JavaScript★ 13.5KAug 15, 2026

MITAug 15, 2026 · metrics 2.10.0

npm

78Goodhealth index

mlightcad/cad-viewer

The world’s first fully web-based DXF/DWG viewer and editor that runs entirely in the browser — no backend server required.

TypeScript · Vue★ 832Jul 17, 2026

MITJul 17, 2026 · metrics 2.10.0

PyPI

77Goodhealth index

fusion-energy/cad_to_dagmc

Convert CAD geometry (STP files) or Cadquery assemblies to DAGMC h5m files

Python★ 59Aug 1, 2026

MITAug 1, 2026 · metrics 2.10.0

PyPI

77Goodhealth index

hildogjr/KiCost

Build cost spreadsheet for a KiCad project.

Python★ 617↓ 911/moJul 18, 2026

MITJul 18, 2026 · metrics 2.10.0

npm

77Goodhealth index

mlightcad/realdwg-web

JavaScript Version of AutoCAD RealDWG

TypeScript★ 34↓ 346.3K/moSep 5, 2026

MITSep 5, 2026 · metrics 2.10.0

npm

73Goodhealth index

ChanMeng666/archlang

A declarative language that compiles to professional SVG floor plans — like Typst/LaTeX, but for architecture. Built for AI agents: deterministic output, JSON diagnostics that carry their own fix, and a describe/lint channel that verifies a plan against its brief without rendering an image. Zero-dependency TypeScript.

TypeScript★ 2↓ 5,706/moJul 17, 2026

MITJul 17, 2026 · metrics 2.10.0

PyPI

73Goodhealth index

heitzmann/gdstk

Gdstk (GDSII Tool Kit) is a C++/Python library for creation and manipulation of GDSII and OASIS files.

C++★ 488Jul 27, 2026

BSL-1.0Jul 27, 2026 · metrics 2.10.0

crates.io

73Goodhealth index

iShape-Rust/iTriangle

A fast, efficient and extremely stable 2d triangulation library for rust.

Rust★ 153↓ 3,733/moJul 30, 2026

Apache-2.0Jul 30, 2026 · metrics 2.10.0

npm · PyPI

69Goodhealth index

invisra/printspec

A specification json schema for 3D/CAD parts.

HTML · TypeScript · JavaScript★ 0↓ 145/moAug 29, 2026

Custom licenseAug 29, 2026 · metrics 2.10.0

PyPI · npm

67Goodhealth index

Shpigford/nurb

Agentic CAD for 3D printing

Python · HTML · Rust★ 241↓ 3,138/moAug 15, 2026

Custom licenseAug 15, 2026 · metrics 2.10.0

crates.io · npm · PyPI

67Goodhealth index

cool-japan/oxiz

OxiZ is a high-performance Satisfiability Modulo Theories (SMT) solver written entirely in Rust. This project is part of an initiative to reimplement Z3 in Pure Rust. Pure Rust is a fundamental requirement - no C/C++ dependencies, no FFI bindings, just clean, safe Rust code.

Rust★ 49↓ 9,818/moJul 19, 2026

Apache-2.0Jul 19, 2026 · metrics 2.10.0

crates.io

67Goodhealth index