Curvify is a geometry nodes based curve generation tool letting you make procedural:

Barbed Wire, Chains, Clouds, Curtains, Feathers, Fences x3, Dangling Cables, Rainbows, Roads, "RollAlongCurve", Rope, Rivers, Snow, Tentacles, Flow, Screws, Decals, Vines, Running Stitches, Trees, Hedges, Springs, Bricks, Caution Tape, Icicles, Rock Path, Water Along Path [3.5 only!], Suture x7 

Here are just a few examples:

To install Curvify simply download the files, add it to the Assets file path, and drag in your asset!