What is the best CAD addon for Blender?

[kabu]

[WIP] Sverchok, parametric nodes for architects

SVERCHOK СВеРЧОК - Система ВЕкторного Рабочего Черчения и Объектного Конструирования. Sverchok - cricket in russian + Object constructing and working drawing vector system. Site on github io WIKI Sverchok is node programing of geometry, but in completely virtual way, with ability to bake geometry to blender also in real time, export to different formats and interact witht other node systems. You would work with pure data, as floats, matrixes, lists, formulas, fields etc. but in height interf…

Sverchok sports a Freecad integration, and you can use it like a nodal tool.
HTH