EvoluteTools T.MAP for Rhino 5 and 6 provides re-meshing using pure quad or triangle meshes, and texture mapping using quad or triangle patterns

Version 2.8 A ‚QuadEdgeDataStructure‘ is used to represent a n-gonal Mesh without making any difference between primal and dual elements.

Leopard is an open source mesh processing solution for grasshopper.

Trims a mesh at a plane then mirrors it over the plane and stitches the original + mirrored meshes together into one new clean symmetrical mesh.

Toolkit for easy pattern-making on NURBS Surfaces, via their conversion to special Mesh-like objects, topologically structured in rows and columns.

Trum Design is a consultancy created by Joaquin Laborda, specialized in product development and design visualization.

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

Sculptured, organic modeling in 3D. SubD like interface, but advanced surfacing for high quality, geometrically rich shapes.