LeafVein is a graph theory plug-in for Grasshopper. You can generate graphs from geometric objects or maps and perform multiple graph algorithms.

Sandworm is a Grasshopper plug-in that helps bridge between analog and digital modelling of landscapes.

Bubalus_GH2.1.006 for Rhino6（Above SR35）. Plug partners: Hsiao

ArchiJSON: A Light Weight Web Data Exchange Format for Architectrual Design

Caribou parses downloaded Open Street Map data into Grasshopper geometry. It is fast, flexible, and feature-rich.

Grasshopper tools realized for taking into account sunlight and solar energy as form generators in the architectural and urban design process.

Pebbles is a flexible, unit – based, tiling plugin for Grasshopper, which functions to either AABB patterns of tiles, or to create rule-based randomizations of tiles

RhinoCFD adds the power of computational fluid dynamics to the CAD environment, allowing users of Rhino3d to undertake CFD investigation