Pencil Pro v1.1 for Blender adds 2.5× faster sketch rendering, screen-space hatching, and edge-flow aware strokes. Price: $15 or in Genie bundle.
Octane Edge Tools is a free Blender add-on from Otoy for creating mesh-based outlines with OctaneRender Toon Material. Controls for edge thickness, object selection, and NPR styles. Described by ...