Add extra curve object types

Select an object, select a surface, paint

Add Strange Attractor curves

Adds generated ivy to a mesh object starting at the 3D cursor

Quickly convert Grease Pencil strokes to simple curves and hair

Simplify Curves: 3dview, Dopesheet, Graph. Distance Merge: . .

Adds a parametric tree

Adds some functionality for bezier/nurbs curve/surface modeling

Tools for converting/animating objects/particles into curves

Assigns one or more Bezier curves as shape keys to another . .

Syntax highlighting for text objects