The InkScape plugins are bundled together in a single installation package. InkScape is a powerful general purpose vector based drawing tool, like these bobbin lace tools it is free of charge and free to change or improve at your own discretion.

Diagrams

The screenshot snippets show either pair diagrams or thread diagrams of a rose ground, which differs from a Flanders ground by using four pairs per pin versus two pairs per pin.

interactive web page

GroundForge is a toolbox to design bobbin lace grounds or braids.

Generates thread diagrams out of color coded pair diagrams, supports any stitch. Various collections of predefined patterns or create your own patterns.

InkScape plugin

Ground From Template only pair diagrams. Regular or wrapped around a circle. Comes with a collection of predefined patterns. On tesselace an explanation to "Design Your Own Templates".

Grids

Polar

Constant width of common graph paper:
Constant shape for DiBL applications:
interactive web page

More patterns than the plugin and it scales better. You can design your own patterns, though the definitions might be a bit cryptic.

InkScape plugin

Allows matching nested grids. Less patterns than the web-based version but you can add your own marks for one pie and have it automagically repeated to a complete circle.

Regular

InkScape plugin

The built-in grid feature of InkScape only provides snapping points. This plugin generates printable dots with configurable size, distance and angle.