Heron is an add-on which enables the import of GIS data from various sources into the Rhino/Grasshopper environment, located, scaled and cropped

LegoPod formerly was named Instance_Manager, is a part of the Heteroptera Plugin that helps rhino users to manipulate rhino objects specially Rhino-Blocks and Text objects.

Extract Curves along with colors from Raster Images. Now compatible with ShapeDiver!

easily produce Voronoi cells on any NURBS surface

Fennec Addon have some useful tools

Clipping Plane Tool For Rhino

Free Grasshopper plugin for naval architecture and marine industry.

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