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

Conduit is an open source plug-in authored by Proving Ground that enables designers to create custom data visualizations and heads up displays.

loop is a simple component to iterate generative shapes with Grasshopper®

GENERATOR is a fast and easy way  to visualize and interact  with generative shapes on the web,  connecting Grasshopper® to dat.

GENERATOR 2 is a smart and evolved way  to explore and iterate  generative shapes with Grasshopper®

Cicada is an under developing Plugin in order to using grasshopper as a MIDI-Controller.

Metaheuristic Optimization Plug-in for Grasshopper

Provides a set of tools to test and ensure your code/GH definition works as expected.