Add Outline - Add outlines easily to several objects, and it's also stackable without duplicating the original mesh !

Thickness Settings - Have full control of your outline thickness with Vertex Group, Vertex Color or Texture with RGBA Split !

Delete Geometry - Remove parts of the geometry with Vertex Group or Vertex Color for a cleaner look.

Color - Use Vertex Color for getting colored outline ... or convert your Texture to Vertex Color !

Apply - Bypass the Blender restriction about Applying Shapekeys with a custom Apply feature

Apply & Export - Get a convenient export button that Save, Apply, Export and Revert in 1 click ! A must have for tweaking and improving your workflow.

EFFECTS

These effects are mainly related to Blender and will not translate when exported.
It's still cool features to have !

Camera Fixed - Stick the thickness to the Camera distance

Noise - Add some noise to your thickness ... and animate it automatically !

Head model is a commission I've made for MURPHAGATOR (https://www.twitch.tv/murphagator)