awesome-cad-cae

Index

• CAD
• EDA
• CAE
• CFD
• Topology Optimization
• MBD
• Test-Analysis Correlation (TAC)

CAD

• Computer Aided Design

FreeCAD

• https://github.com/FreeCAD/FreeCAD

• https://www.freecad.org/

LibreCAD

• https://github.com/LibreCAD/LibreCAD

• https://librecad.org/

openscad

• https://github.com/openscad/openscad

• https://openscad.org/

leocad

• https://github.com/leozide/leocad

• https://www.leocad.org/

CAD_Sketcher

• https://github.com/hlorus/CAD_Sketcher

• https://www.cadsketcher.com/

ImplicitCAD

• https://github.com/Haskell-Things/ImplicitCAD

• https://implicitcad.org/

qcad

• https://github.com/qcad/qcad

• https://qcad.org/en/

jsketcher

• https://github.com/xibyte/jsketcher

• https://web-cad.org/

Fornjot

• https://github.com/hannobraun/Fornjot

• https://www.fornjot.app/

cadCAD

• https://github.com/cadCAD-org/cadCAD

• https://cadcad.org/

OpenJSCAD

• https://github.com/jscad/OpenJSCAD.org

• https://openjscad.xyz/

BRL-CAD

• Powerful cross-platform open source combinatorial solid modeling system with interactive 3D geometry editor and ray-tracer

• https://github.com/BRL-CAD/brlcad

• https://brlcad.org/

CodeToCAD

• Python scripting framework for CAD automation; write scripts that run on any supported CAD, modeling, simulation, or FEA software

• https://github.com/CodeToCAD/CodeToCAD

OpenDraft

• Open-source 2D CAD project written in C#, built on Avalonia for cross-platform support

• https://github.com/JamesHodgkins/OpenDraft

EDA

• Electronic Design Automation

LibrePCB

• https://github.com/LibrePCB/LibrePCB

• https://librepcb.org/

KiCad

• https://github.com/KiCad

• https://www.kicad.org/

eagle

• https://www.autodesk.com/products/eagle/free-download

DesignSpark PCB Software

• https://www.rs-online.com/designspark/pcb-software

DipTrace

• https://diptrace.com/download/download-diptrace/

Horizon EDA

• https://github.com/horizon-eda/horizon

• https://horizon-eda.org/

FreePCB

freeware PCB layout software

• http://www.freepcb.com/

PCB geda-project

PCB is an interactive printed circuit board editor for Unix, Linux, Windows, and Mac systems

• http://pcb.geda-project.org/

• http://www.geda-project.org/

CADLUS PCB

他社回路図CADのネットを全て自動読込 実際に基板設計のプロが使用している設定をそのまま初期設定 部品ライブラリ20,000点以上を無償提供 基板設計に必要な自動機能を多数搭載。さらにDXF入力可能 初心者でも基板設計ができるように必要な工程をサポートするアシスト機能を搭載 自動機能で安全・簡単にプリント基板設計が出来る機能が満載

• http://shop.cadlus.com/html/newpage.html?code=1

プリント基板エディタ PCBE

プリント基板の版下印刷/ガーバーデータが簡単に作成出来るパターンエディタ(CAD)

• http://www.vector.co.jp/soft/winnt/business/se056371.html

Minimal Board Editor

• https://www.suigyodo.com/online/mbe/mbe.htm

Fritzing

• Open-source EDA for makers and hobbyists; features a unique breadboard view and is suited for prototyping and PCB fabrication

• https://github.com/fritzing/fritzing-app

• https://fritzing.org/

CAE

• Computer Aided Engineering

FEATool Multiphysics

• https://github.com/precise-simulation/featool-multiphysics

• https://www.featool.com/

libmesh

• https://github.com/libMesh/libmesh

• http://libmesh.github.io/

FreeFem

• https://github.com/FreeFem/FreeFem-sources

• https://freefem.org/

anaStruct

• 2D structural analysis in Python

• https://github.com/ritchie46/anaStruct

SolidsPy

• 2D-Finite Element Analysis with Python

• https://github.com/AppliedMechanics-EAFIT/SolidsPy

CALCULIX

• Developers area of CalculiX Finite Element Software

• https://github.com/calculix

XC SOFTWARE

• Open source finite element code for structural analysis and design.

• https://github.com/xcfem/xc

• http://www.xcengineering.xyz/html_files/software.html

Goma

• A Full-Newton Finite Element Program for Free and Moving Boundary Problems with Coupled Fluid/Solid Momentum, Energy, Mass, and Chemical Species Transport

• https://github.com/goma/goma

• https://www.gomafem.com/

FrontISTR

• This is the official github mirror repository of FrontISTR, Open-Source Large-Scale Parallel FEM Program for Nonlinear Structural Analysis.

• https://github.com/FrontISTR/FrontISTR

• https://www.frontistr.com/

MYSTRAN

• https://github.com/dr-bill-c/MYSTRAN

• https://mystran.com/

CALFEM

• https://github.com/CALFEM

FEniCS

• Open-source computing platform for solving PDEs with the finite element method; Python and C++ interfaces

• https://github.com/FEniCS

• https://fenicsproject.org/

Gmsh

• Open-source 3D finite element mesh generator with built-in CAD engine and post-processor

• https://gitlab.onelab.info/gmsh/gmsh

• https://gmsh.info/

WELSIM

• General-purpose engineering simulation software for the open-source community; supports structural, thermal, and CFD analysis

• https://github.com/WelSimLLC/WelSim-Apps

• https://welsim.com/

CFD

• Computational Fluid Dynamics

OpenFOAM

• Free, open-source CFD toolbox for fluid flow, heat transfer, chemical reactions, and multiphysics simulation; the most widely used open-source CFD platform

• https://github.com/OpenFOAM/OpenFOAM-dev

• https://www.openfoam.com/

SU2

• Open-source suite for multiphysics simulation and design; high-fidelity PDE solver and gradient-based optimization framework for aerodynamic shape design

• https://github.com/su2code/SU2

• https://su2code.github.io/

Palabos

• Open-source library for general-purpose computational fluid dynamics based on the lattice Boltzmann method, with parallelization support for HPC

• https://gitlab.com/unigespc/palabos

• https://palabos.unige.ch/

Lethe

• Open-source CFD, discrete element method (DEM), and coupled CFD-DEM software using high-order continuous Galerkin formulations for single and multiphase flows

• https://github.com/lethe-cfd/lethe

• https://lethe-cfd.github.io/lethe/

Fire Dynamics Simulator (FDS)

• NIST's computational fluid dynamics model of fire-driven fluid flow, widely used for fire and smoke transport simulation; includes Smokeview visualization tool

• https://github.com/firemodels/fds

• https://pages.nist.gov/fds-smv/

x3d2

• Next-generation high-fidelity CFD solver using high-order compact finite-difference methods with GPU acceleration; successor to Xcompact3d

• https://github.com/xcompact3d/x3d2

• https://xcompact3d.github.io/

Topology Optimization

• Structural design optimization for material layout under given loads and constraints

OpenLSTO

• Open-source level set topology optimization software developed at UC San Diego and Cardiff University, with full and lightweight versions

• https://github.com/M2DOLab/OpenLSTO

FEniTop

• Compact and efficient FEniCSx-based topology optimization framework supporting parallel computing; exports optimized designs for postprocessing in ParaView

• https://github.com/missionlab/fenitop

FreeTO

• Open-source MATLAB code for freeform 3D topology optimization on structured meshes with smooth boundaries

• https://github.com/ooibhadode/FreeTO

ToOptiX

• Open-source multiphysical topology optimization tool combining structural, thermal, and other load cases; integrates with Blender and FreeCAD via community addons

• https://github.com/ldslpm/ToOptiX

MBD

• Multibody Dynamics / Dynamic Motion Simulation

MBDyn

• First and one of the few free general-purpose Multibody Dynamics analysis software; supports rigid and flexible bodies, aerodynamics, and control systems

• https://github.com/mbdyn/mbdyn

• https://www.mbdyn.org/

Project Chrono

• High-performance C++ library for multiphysics and multibody dynamics; supports vehicles, robots, granular dynamics, and fluid-solid interaction

• https://github.com/projectchrono/chrono

• https://projectchrono.org/

Simbody

• High-performance C++ multibody dynamics library for articulated mechanical and biomechanical systems; powers OpenSim and Gazebo

• https://github.com/simbody/simbody

EXUDYN

• Python/C++ flexible multibody dynamics simulation package; over 250 examples covering robots, vehicles, and mechanisms

• https://github.com/jgerstmayr/EXUDYN

OpenSim

• Open-source platform for musculoskeletal modeling and dynamic motion simulation; widely used in biomechanics research

• https://github.com/opensim-org

• https://opensim.stanford.edu/

Pinocchio

• Fast and flexible C++ library for rigid body dynamics algorithms with Python bindings; used extensively in robotics

• https://github.com/stack-of-tasks/pinocchio

Test-Analysis Correlation (TAC)

Tools for correlating CAE simulation results with physical test measurements, including test data management, experimental modal analysis, and model validation.

Test & Simulation Data Management

asammdf

• Fast Python reader, writer, and GUI for ASAM MDF/MF4 files — the standard binary format for physical test measurements from automotive and aerospace test rigs; supports CAN/LIN bus logging and large-file merging

• https://github.com/danielhrisca/asammdf

• https://asammdf.readthedocs.io/

MDSplus

• Hierarchical data management system storing all data from experiments or simulations in a single self-descriptive tree structure; originated in fusion physics but used broadly for storing and correlating simulation and experimental datasets

• https://github.com/MDSplus/mdsplus

• https://mdsplus.org/

openMDM

• Eclipse Foundation ASAM ODS-compliant measurement data management kit originated by Audi and adopted by BMW, Bosch, and Daimler; provides vendor-independent storage and retrieval of automotive test and simulation data

• https://github.com/EclipseFdn/openmdm.org

• https://openmdm.org/

odsbox

• Lightweight Python wrapper for the ASAM ODS REST API (pandas/JAQuel interface); enables programmatic access to standardized test-measurement databases for cross-referencing with simulation results

• https://github.com/peak-solution/odsbox

SciDataTool

• Python library for unified storage and postprocessing of scientific data fields in time/space or frequency domains; supports Fourier transforms, unit conversion, slicing, and direct comparison of simulation vs. test signal sets

• https://github.com/Eomys/SciDataTool

Experimental Modal Analysis (EMA / OMA)

pyEMA

• Python package for experimental and operational modal analysis; extracts modal parameters (natural frequencies, damping, mode shapes) from FRF measurements using LSCF and LSFD methods

• https://github.com/ladisk/pyEMA

sdypy-EMA

• Actively maintained successor to pyEMA within the SDyPy ecosystem; performs EMA/OMA curve-fitting and modal parameter extraction from measured FRF data

• https://github.com/sdypy/sdypy-EMA

OpenModal

• Full-GUI open-source experimental modal analysis software combining geometry builder, FRF measurement, LSCF/LSCE identification, and mode-shape animation modules

• https://github.com/openmodal/OpenModal

• https://www.openmodal.com/

pyOMA2

• Python module for output-only Operational Modal Analysis implementing SSI and FDD algorithms with stabilization diagrams, clustering tools, and interactive mode-shape visualization; published in JOSS 2025

• https://github.com/dagghe/pyOMA2

pyFRF

• Python package for computing FRF estimators (H1, H2, Hv, ODS-FRF) from time-domain test signals; foundational building block for FRF-based test-analysis correlation

• https://github.com/ladisk/pyFRF

pyUFF

• Python reader/writer for UFF (Universal File Format, Dataset 58/55/2411/2412), the standard interchange format for FRF and modal test data between computer-aided test and CAE/FEA software

• https://github.com/ladisk/pyuff

Correlation Metrics & Model Updating

SDynPy

• Comprehensive structural dynamics Python library from Sandia National Laboratories with core objects for test geometry and data, FRF computation, MAC/COMAC test-analysis correlation, and modal curve-fitting via SMAC and PolyPy

• https://github.com/sandialabs/sdynpy

• https://sandialabs.github.io/sdynpy/

pyFBS

• Python package for Frequency-Based Substructuring and Transfer Path Analysis; supports virtual point transformation and coupling of measured test FRFs with FEA component models

• https://gitlab.com/pyFBS/pyFBS

• https://pyfbs.readthedocs.io/

SMAC

• Sandia National Laboratories MATLAB-based modal curve-fitter using modal filter theory; synthesizes FRFs from extracted roots/residues and correlates against measured data to validate extraction quality

• https://github.com/sandialabs/SMAC

Dakota

• C++ toolkit from Sandia National Laboratories for optimization, uncertainty quantification, and model calibration (Bayesian/deterministic); the standard open-source tool for updating simulation model parameters to match physical test measurements

• https://github.com/snl-dakota/dakota

• https://dakota.sandia.gov/

PyDynamic

• Python library from PTB and NPL (German and UK national metrology institutes) for uncertainty evaluation in dynamic measurements; propagates uncertainty through digital filtering, DFT, and FRF computations used in test-analysis correlation

• https://github.com/PTB-M4D/PyDynamic

• https://pydynamic.readthedocs.io/

Domain-Specific Validation

ROSS

• Python FEM-based rotordynamics library (Timoshenko beam elements) with modal analysis, FRF synthesis, and critical speed computation; supports comparison of simulated vs. measured rotor responses for model validation

• https://github.com/petrobras/ross

• https://ross.readthedocs.io/

OpenFAST

• NREL's aero-hydro-servo-elastic wind turbine simulation code widely used with physical test campaigns to validate structural dynamic models of turbines and towers; BSD licensed

• https://github.com/OpenFAST/openfast

• https://openfast.readthedocs.io/

FEBio

• Open-source nonlinear implicit FEA framework specifically for biomechanics and biophysics with strong emphasis on verification and validation against experimental strain and force data from physical specimens; NIH-supported

• https://github.com/febiosoftware/FEBio

• https://febio.org/