Macaw is a plug-in for grasshopper to allow interoperability with the mathematical calculation and documentation software Mathcad.

GRay - Generative Materials for V-Ray 2 and V-Ray 3 for Rhino

Concha is a Rhino3D plug-in for the numerical analysis of shell structures based on the Finite Element Method.

GeoJSON tool by Cox Architecture Humpback is a set of tools which convert Grasshopper geometry into GeoJSON, and vise versa.

Free plug-in for Rhinoceros and Grasshopper - parametric 3D multizone building definition - combined thermal and daylight simulation - TRNSYS18

Nursery is an agent based modelling and behavioural design framework for Grasshopper.

Equalize Segments Divide

A very quick, non iterative solver for a minimal surface bounded by a closed input curve.