A curated list of awesome CAE frameworks, libraries and software.

• pythonocc - pythonOCC is a 3D CAD/CAE/PLM development framework for the Python programming language
• cadmium - Cadmium is a python library for Solid Modelling.
• CadQuery - CadQuery is a Python CAD library that uses the OpenCASCADE CAD kernel
• oce - oce is a C++ 3D modeling library.

Libraries mainly meant for preprocessing of data before simulation

• pyNastran - pyNastran is an interface library to the various Nastran file formats (BDF, OP2, OP4)
• qd-ansa - python utility library for scripting in Beta CAE suite
• abapy - Abaqus Python “AbaPy” contains tools to build, postprocess and plot automatic finite element simulations using Abaqus.
• AbqParse - A simple parser for Abaqus input files that parses out the keywords, parameters, and data lines.
• abaqus2dyna - abaqus2dyna is a script to convert, in a limited fashion, Abaqus keyword inputfiles to LS-DYNA keyword input files.
• pycalculix - pycalculix is a Python 3 library to automate and build finite element analysis (FEA) models in Calculix.
• pyDOE - library for creating design of experiments studies
• meshpy - MeshPy offers quality triangular and tetrahedral mesh generation for Python
• pymesh - PyMesh — Geometry Processing Library for Python
• smesh - A complete OpenCascade based MESH framework
• pygmsh - The goal of PyGmsh is to combine the power of Gmsh with the versatility of Python
• FreeCAD - FreeCAD is a general purpose feature-based, parametric 3D modeler for CAD, MCAD, CAx, CAE and PLM
• VTK - VTK is an open-source software system for image processing, 3D graphics, volume rendering and visualization
• Robust-Hexahedral-Re-Meshing - Robust Structure Simplification for Hex Re-meshing
• gridder - gridder is a simple interactive grid generation tool for creating 2D and 3D orthogonal grids. Used at Los Alamos National Laboratory (EES Group).
• libMesh - The libMesh library provides a framework for the numerical simulation of partial differential equations. A major goal of the library is to provide support adaptive mesh refinement (AMR).
• Simright WebMesher - Simright WebMesher is a Web-based preprocessor. It supports importing most popular CAD formats, interactive meshing, definitions of loads & BCs and exporting into various CAE formats.
• meshzoo - A collection of simple meshes for canonical domains

• ABAQUS-US - A variety of ABAQUS user element (UELs) and user material (UMATs) subroutines
• ABAQUS_Subroutines - Viscoplastic UMAT, rotational body force UEL, UMAT implmenentation of Linder et al. 2011
• ABAQUS_Subroutines 2 - collection of abaqus user materials

• SU2 - SU2 is a C++ suite of tools for the numerical solution of partial differential equations (PDE) and performing PDE constrained optimization, primary for CFD.
• OpenFoam - Open Source CFD solver
• jobwatch - Abaqus Job Status Plotter
• NASTRAN-95 - FEM solver
• abaqus-fortran-env-setup - Files and docs to assist getting Abaqus with Intel Fortran development environment configured.
• OpenBLAS - OpenBLAS is an optimized BLAS library
• PyOP2 - Framework for performance-portable parallel computations on unstructured meshes
• pyamg - Algebraic Multigrid Solvers in Python
• Fluid-Solver - Staggered-Grid Fluid Solver in Rust
• boltzmann - Maxwell-Boltzmann distribution simulator written in Rust
• nusa - A Python library for simple structural analysis using FEM
• JuliaFEM - The JuliaFEM project develops open-source software for reliable, scalable, distributed FEM
• FEniCS - FEniCS is a computing platform for solving partial differential equations in a very comfortable manner.
• deal.II - A C++ software library supporting the creation of finite element codes
• CFDEM - This code provides models and solvers to realize coupled CFD-DEM simulations using LIGGGHTS and OpenFOAM® technology.
• Voxelyze - Voxelyze is a general purpose multi-material voxel simulation library for static and dynamic analysis.
• CalculiX - CalculiX is an OSS package designed to solve field problems. The method used is the finite element method.
• Modelica - Free library from the Modelica Association to model mechanical (1D/3D), electrical (analog, digital, machines), thermal, fluid, control systems and hierarchical state machines.
• Simright Simulator - Simright Simulator is a Web-based structural analysis software.

This section contains software regarding postprocessing

• qd - CAE python library for reading binary LS-DYNA result files and some other smaller CAE related utilities.
• pyNastran - pyNastran is an interface library to the various Nastran file formats (BDF, OP2, OP4)
• matlab-lsdyna - Reader of ascii results files from the Finite Element solver LS-DYNA, and a wrapper to run LS-DYNA simulations programmatically from MATLAB.
• postPro4Abq - Python scripts to read and process an odb file.
• ParaView - ParaView is an open-source, multi-platform data analysis and visualization application based on Visualization Toolkit (VTK).
• abaqusPython - A collection of frequently used abaqus scripts and other useful gems!
• matplotlib-4-abaqus - Allow abaqus(v6.14-1) to use matplotlib in its build-in python scripts environment.
• colorbrewer-colormaps-4-abaqus - An easy way to use the beautiful color schemes in Abaqus to plot contour.
• PyQus - Python codes for post-processing of Abaqus ODB files.
• IsoSurfaceExtraction - Isosurface extraction from regular voxel grids
• glue - Glue is a python project to link visualizations of scientific datasets across many files.
• Simright Viewer - Simright Viewer is a Web-based viewer for CAD/CAE models. It can also be used to create a 3D snapshot URL for sharing.
• dynareadout - A C/C++/Python library for reading binary LS-DYNA result files (binout, d3plot) with a focus on performance and memory usage.

Tools for doing optimization.

• opti4Abq - An optimisation method for python2 and ABAQUS.
• OpenMDAO - OpenMDAO is an open-source high-performance computing platform for systems analysis and multidisciplinary optimization, written in Python.
• ToOptiX - ToOptix is used for multiphysical topology optimization.
• CasADi - CasADi is a symbolic framework for numeric optimization implementing automatic differentiation in forward and reverse modes on sparse matrix-valued computational graphs.
• YALMIP - MATLAB toolbox for optimization modeling
• Simright Toptimizer - Simright Toptimizer is a Web-based Topology Optimization software.

• nastran-find - Nastranfind is a solution for browsing Nastran input deck
• FEconv - Program feconv converts finite element (FE) mesh files between several formats
• odb2vtk - Python script converts Abaqus ODB files to VTK format for Paraview visualisation.
• nastran-find - Nastranfind is a solution for browsing Nastran input deck files for Windows, Mac OS X and Unix.
• Simright Converter - Simright Converter is a web-based tool for converting CAE models between different formats.
• abaqus_scripts - Python scripts to automate the boring stuff in everyday use of Simulia Abaqus, from opening the GUI to controlling parametric analysis.
• abqpy - Type hints for Abaqus/Python scripting.

Here you can find editors or plugins for editors.

• vim-lsdyna - vim-plugin for LS-DYNA input files.
• vim-lexer-lsdyna - LS-DYNA keyword input file lexer for vim.
• vim-abaqus - vim-plugin for ABAQUS input files.
• vim-radioss - vim-plugin for RADIOSS input files.
• ATOM language-abaqus - ABAQUS language highlighting in the editor ATOM.
• ATOM language-nastran - Adds syntax highlighting to NASTRAN files in Atom.
• ATOM language-abaqus - Basic syntax highlighting for Abaqus input files in Atom.
• ATOM language-ansys - ANSYS apdl language support for ATOM.

Projects related to documentation

• LS-DYNA-Sublime - Sublime Text syntax highlighting for the LS-DYNA finite element software.
• Abaqus-Sublime - Sublime Text syntax highlighting for the Abaqus finite element software.
• Abaqus-Documentation-Scraper - Python script to extract keywords, parameters, and parameter values from the Abaqus HTML documentation.