Quick Link
https://edgeflow3d.gumroad.com/l/aPAfs?a=477128051
Pricing
free
This Addon automates the process of collapsing down modifiers on a mesh with shapekeys while keeping the shapekeys intact.
https://blenderartists.org/t/apply-modifiers-and-keep-blendshapes-addon-skkeeper/1251125/1
https://github.com/smokejohn/SKkeeper