D-BL offers a roof to a suite of projects and applications related to bobbin lace.

Grids

• Printable grids with Inkscape plugins.
• Online polar grid generator.
• Links in the Tesselace gallery for downloads in a widely supported scalable SVG format.

GroundForge generates thread diagrams from pair diagrams (and vise versa)

• Two basic nets generate dozens of thread diagrams by combining mirrored versions of a single stitch of your choice.
• Mix up to 4 different snowflakes with your own choice of stitches for new grounds.
• Play with stitches on wobbling Rose ground units, Valenciennes/Paris or snow in Paris.
• Browse galleries with predefined patterns (traditional and experimental) and play with your own choice of stitches:
  • Tesselace — Algorithmically designed lace tessellations linked to GroundForge diagrams.
  • Sampler by Gertrude Whithing — Demonstrates the power and limitations.
  • MAE Many Attractive Examples — Community contributions.
• Advanced subjects
  • Design your own pattern from scratch
  • Symmetrical pattern variations from your own template.
  • Add components with customized forms to your own web pages.

Licenses vary per project.
You have the rights to copy, modify and republish, with some restrictions.
So far we have cc-by v4 for the documentation and either GPL v3 or Simplified BSD for the code.