Catsule helps speed up workflow by loading Grasshopper when a Rhino file is opened.

SnappingGecko is a free Grasshopper plugin which provides object snapping features, helping you to keep your definitions clean.

Extended Help In Grasshopper.

Provide two additional wire type called line wire type, polyline wire type and electric wire type.

Grasshopper definition to transfer VisualARQ objects into Revit.

Shows dashboards live in the Rhino viewport based on inputs from Grasshopper. You can connect geometry, colors and data with mouse over previews and more. By LINK Arkitektur

Free Grasshopper plugin for naval architecture and marine industry.

A plugin for Rhinoceros with game-like walk mode and aimpoint zoom depth