Heteroptera is a plug-in for grasshopper comprised of a variety of tools in different categories that can be used as a toolbox
Use the same flexible language everywhere: GhPython is the Python interpreter component for GH that allows to execute dynamic scripts.
Ladybug and Honeybee are open source environmental plugins for Grasshopper to help designers create an environmentally-conscious architecture
Flux seamlessly sends your Grasshopper geometry to Revit, Excel, SketchUp, Dynamo, AutoCAD, 3dsMax, Google Sheets and back!
Instance_Manager is a part of Heteroptera Plugin that is specified to manage Block-Definition in Rhino from Grasshopper.