Various online craft tools exist, usually for colour planning or design generation. These are the ones I know about:
- Cross Stitch Charts from photos
- My Photo Stitch a free service that takes photos you upload and gives you a cross stitch chart using (last I checked) DMC colours
- Turk's Head Cord length calculator
- Turk's Head Knot designer
- Globe Knot Core Calculator
- 8 strand kongo gumi colour planner
- 16 strand kongo gumi colour planner
- A colour planner for the 7-loop Spanish finger loop braid
- Card weaving design planner. Online or downloadable.
- Design weave structures and colour compositions for handweaving.
- Lace: knitted lace designer