Karamba3D is a parametric structural engineering tool which provides accurate analysis of spatial trusses, frames and shells.

AXISVM parametric design tool. Export finite element structures into AXISVM from Grasshopper with this add-on and perform FE analyses.

Lattice structural optimisation toolbox

Falko Finite Element Analysis For Rhino

Scan&Solve Pro™ for Rhino is a plugin from Intact Solutions that completely automates basic structural simulation on Rhino solids.