The most powerful and easiest-to-use NURBS software

Laminate Tools for composite material structural design, analysis and manufacturing. It interfaces with most CAD and FEA applications.

Oiseau doesn't do anything useful.

NACA 4 & 5 digit airfoil generator

Simulate and Program any industrial robot with RoboDK. More than 30 robot manufacturers supported, such as ABB, Denso, KUKA, Fanuc, UR, Yaskawa, ...

Flatworm is a python module and GHPython implementation for generating rigidly foldable quadrilateral meshes (RFQM) in Grasshopper.

Create NACA 4 series aerofoil/airfoil sections on the fly

3D to 2D digital patterning.