Top CAD GitHub Repositories & Tools (2026)

A library of agent skills for CAD, CAE and CAM

AI-assisted PCB design for KiCAD 10. Native KiCAD plugin — a single Rust binary exposing 217 schematic, layout, routing, placement, design-review, and manufacturing tools to Claude, or the LLM of your choosing

Local-first research memory for Codex: checkpoints, progress ledgers, and Markdown/JSON paper notes. Early alpha.

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

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

Advanced PCB auto-router

The local-first AI assisted research workspace for scientific writing & publishing. Research, Write, Compile, Verify and Publish in LaTeX • Typst • Markdown • Git-native • Open Source • Desktop Performance

Desktop app for managing BibTeX and BibLaTeX (.bib) libraries

The tiniest OpenID Certified™ authorization and authentication server you have ever seen.

🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Implements Form-Based, Basic, Local, LDAP, OpenID Connect, OAuth 2.0 (Github, Google, Facebook, Okta, etc.), SAML Authentication. MFA/2FA with App Authenticators and Yubico. 💎 Authorization with JWT/PASETO tokens. 🔐

State-of-the-Art Source Code Plagiarism & Collusion Detection. Check for plagiarism in a set of programs.

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

A software for laser cutters and engravers

Open-source research workspace for connecting sources, evidence, notes and ideas. Built for academic research with Zotero integration. Available on MacOS, Windows and Linux.

GPL Electronic Design Automation

Multi-modal constructive solid geometry kernel in Rust

Share is a browser-based BIM & CAD viewer and collaboration platform. Supports IFC, STEP, STL, OBJ, GLTF

Self-service, device health and compliance for managed Macs. Works with Munki, Jamf Pro, Intune and Fleet.

Plugin to generate BOM + CPL files for JLCPCB, assigning LCSC part numbers directly from the plugin, query the JLCPCB parts database, lookup datasheets and much more.

CADability is a pure .net class library for modeling and analyzing 3d data, both with your code and interactively. It comes with an optional Windows.Forms user interface, which can be adopted to other environments. It does not refer to other 3d modeling libraries. For data exchange you can use STEP, STL or DXF files.