Grasshopper Definitions: Remap Numbers, Graph Mapper, Domains, Find Similar Member, Jitter Strength, Image Sampler, Vector Angle.

Telepathy is a wireless sender/receiver that allows you to send Grasshopper data to anywhere on the canvas using a simple key naming interface.

Allows editting of Grasshopper C# scripts in external editors

GH Python Remote is a special component that lets you use regular Python code directly in the GHPython component, like importing Numpy and Scipy.

Rhino as an Autodesk® Revit® Addin

Automatically arrange components on your canvas. Use generic description components to reroute the wires on your canvas in an orderly fashion.

Swiftlet is a tool that lets you make web requests directly from Grasshopper

Firefly offers a set of software tools dedicated to bridging the gap between Grasshopper (a free plug-in for Rhino) and micro-controllers like the Ard