Hair Tool is add-on for Blender that will help you generate hair-card, shell hair or curve hair in non destructive way, using geometry nodes and python.
Some of the features:
tools for curve based hair modeling (cutting, extending, deforming etc) - rewritten to support new curves
automated UV workflow (you can define uv regions, which can then be automatically assigned to hair strand)
easy hair rigging and animation with Jiggle physics
hair library that contains various hairstyles and sub-components,
various adjustable ribbons profiles - Mesh Profile, Curls Profile, Circle, Flat, Braids etc.
convert: Curves to Particle Hair, Particle Hair to Curve ribbons, Curve ribbons to mesh ribbons and so on.
curve resampling and decimation (increases/decreases curve points count)
generating vertex color/weights gradients, transferring UVs and vertex weights from character to mesh haircards.
texture baking from new hair curves; supports: normal, ao, diffuse, tangent, ID, root, flow and more maps
build-in addon auto-updater
and more