Free MATLAB and COMSOL photonics codes
Free
200-line MATLAB inverse-design code and five COMSOL models
Checked 14 Oct 2026
Plans and prices
TopOpt pricing
Free MATLAB code for buckling optimization
Free
TopBuck250 code for 2D buckling, compliance and volume-constrained designs
Checked 14 Oct 2026
Free MATLAB code for minimum-compliance problems
Free
99-line, 88-line, new 99-line optimized, scalable 3D matrix-free and stochastic-gradient-descent codes
Checked 14 Oct 2026
TopOpt apps and software
Free
The Apps/Software page lists free MATLAB code for minimum compliance and buckling optimization and free MATLAB and COMSOL code for photonics; it gives no price for the interactive apps.
Checked 29 Sep 2026