Thicc Stroke is a free, variable-width stroke plugin
Make fat A$$ curves and gradient-along-paths with this powerful and infinitely customizable tool for AE CS6 and up. Now natively compatible with Apple Silicon.
THICC features:
color gradients with loopable colors
Full trim path controls
Trim paths optionally influences width and/or color
Works on masks and shapes
Infinite width control points using feather vertex tool
Butt / Round cap styles
Above left: Infinity Loop by Chunk Motion. Above right: Expanded UI. More features than you can poke a dirty green sausage at.
…or get it on aescripts.com