Modern C++20 finite element method and shape optimization framework.

Multidisciplinary-design Adaptation and Sensitivity Toolkit (MAST) - Sensitivity-enabled multiphysics FEA for design

Fierro is a C++ code designed to aid the research and development of numerical methods, testing of user-specified models, and creating multi-scale models related to quasi-static solid mechanics and compressible material dynamics using low- and high-order meshes.

A C++ implementation of a stochastic level-set method.

ARL_Topologies is an extensible topology optimization program meant to be both a research platform and usable in general.

is a tiny FEM framework for C++.

is a tiny library for topology optimization using Lattice Boltzmann method (LBM).

This is an efficient implementation for Bi-directional Evolutionary Structural Optimization (BESO) method using C++.

Experimental structural design automation and optimization methods, implemented in C++

"Translation" into C++ using the library Eigen of the 99 line topology optimization code written in matlab and given here :

Official (a bit hard-to-read) implementation of "Topology Optimization via Frequency Tuning of Neural Design Representations" at SCF21.

Method of moving asymptote optimizer with Python bindings.