Stl GitHub Repositories (2026) · Open Source Tools

Give your agent CAD superpowers.

A systematic modern C++ tutorial covering C++11-C++23, STL, concurrency, performance optimization, software engineering, embedded systems, networking, GUI, and real-world project practices.

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.

Parametric CAD modeling with Lua

Multi-modal constructive solid geometry kernel in Rust

A self-hosted digital asset manager for 3d print files.

:globe_with_meridians: Fast 3D file format converter in C++ supporting OBJ, 3DS, MA, MB, XSI, LWO, DXF, STL, MAT, DAE.

Exact B-Rep CAD in TypeScript, with a Claude Code plugin that lets agents write parts and check them on OpenCascade.

facil.io C STL - a Server Toolbox Library for C, including JSON processing, hash maps, dynamic arrays, binary strings and more.

Terminal 3D Model Viewer - View 3D model files in your terminal

A fast and flexible c++ template class for tree data structures

📐 Describe a part, get a printable model: a native macOS CAD studio powered by Claude Code / Codex and build123d.