Fast GPU-based physics simulation in Grasshopper supports free particles, fluids, rigid bodies, soft bodies, cloth, inflatables and custom constraints

Chimpanzee is for fractal enthusiasts

Crane is a Grasshopper plugin to design origami products. This software focuses on design, rigid folding simulation, form-finding, and fabrication.

Free Grasshopper plugin for naval architecture and marine industry.

Pachyderm Acoustic Simulation is a collection of acoustics algorithms that can be used to predict acoustics and visualize sound propagation.

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

PhysX.GH is a rigid body simulation tool for Grasshopper, using open source real-time physics engine NVIDIA PhysX.

Parallel High-Performance Components for Grasshopper