Engineering GitHub Repositories (2026) · Open Source Tools

Spec-driven development (SDD) for AI coding assistants.

100+ installable Claude skills covering Engineering areas such as, ISO 26262 functional safety, ISO/SAE 21434 cybersecurity, ISO 21448 SOTIF, AIAG-VDA quality (APQP/PPAP/FMEA), Automotive SPICE, and continuous improvement tools — every builder paired with a confirmation reviewer.

💫 Toolkit to help you get started with SDD or any other process!

Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more

Create real electronics with Typescript and React

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

Splunk Security Content

EngineeringPaper.xyz is a web app that makes it easy to create, save, and share engineering calculations.

Closed-loop engineering workflow and agentic swarm orchestration plugin for Google Antigravity

Wolfram Language / Mathematica reimplementation in Rust (Wolfram oxidized)

PicoGK is a compact and robust geometry kernel for Computational Engineering

Autonomous Engineering

Chaos Monkey for Spring Boot

The smallest useful BIM.

One open-source modeler for structures, heat and fluids, built from scratch in pure Rust: parametric part in, verified results out. Automatic all-hex and tet meshing, our own nonlinear implicit and explicit FEA, heat transfer and lattice Boltzmann CFD — every result checked against theory. For engineers and AI agents alike. Free, forever.

A library that provides objects for scientific computing in PHP.

flow5 is version 7 of the legacy project xflr5

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.

📝 We write about our technologies and the problems we handle at scale.

🧱 💻 ☁️ A Terraform module for deploying a Next.js application built with OpenNext to AWS