Githopper is a powerful open-source Git interface for grasshopper that makes working with Git both safe and beginner-friendly.

Airflow and microclimate simulations for Rhino and Grasshopper

Real-time wind analysis

Bubble for Rhino is a free tool from Asuni CAD that displays a tooltip with information of any object in the document.

Analysis Tools for Rhino

Iris is a plugin to export Rhino models to the Web. Compatible with Rhino 5, 6, and 7 for Windows and macOS.

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

LutraCAD is an easy and intuitive software for designing shoe lasts.