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. We usually have GPL, simplified BSD for code and CC-BY for documentation and examples.