Add extra curve object types

Select an object, select a surface, paint

Precision Surface Design

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

Add Strange Attractor curves

Intuitive camera tools, built for artists

Procedural node based 3D tree generation

Create fractal curves with ease using complex integer lattices

Adds a parametric tree

Simplify Curves: 3dview, Dopesheet, Graph

Generate float curves

Adds some functionality for bezier/nurbs curve/surface modeling

Generate parametric spline

Generate customizable 3D text from LaTeX notation

Quickly convert Grease Pencil strokes to simple curves and hair

Tools for converting/animating objects/particles into curves