Megarachne is an open-source lightweight plug-in for Grasshopper.

This plugin allows your technicians to conduct a vessel’s full survey with a digital tablet and obtain an instant report of lightweight status.

ExplodeAnything explodes any object you feed in, reveal any public fields/properties, no matter it's a simple point or a complicated Brep.

This is a tutorial on how to clip a mesh with a clipping plane. It covers the underlying datastructures and algorithms in detail.

Use his definition when you need to work in GH and the Feet template units in Rhino.

Metaheuristic Optimization Plug-in for Grasshopper

Fractals is an Open Source plugin for Grasshopper that allows users to create various types of mathematically generated fractals.

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