You see the pictures of Korean braiding stands from time to time. The hard core Korean knot tyers braid their own cord. It’s a beautiful piece of machinery and just as a sculptural object, nifty looking. I have yearned after one for years.

Software
Erin Weik’s husband made for her an online interactive colour planner for what appears to be the 8 strand kongo.
http://lythastudios.com/123bead/kumiplanner.html

Articles
A. G. Lindsay writes an article about how to finish your braids (15 pages).
http://www.weavershand.com/kumiendings1.pdf (via)