Leopard is an open source mesh processing solution for grasshopper.

Culebra.NET is a 2D|3D Multi Object Behavior library written in C# (Wrapper around Culebra Java library) focused on hybrid system interactions.

Swallow can be used to define and assemble structural analysis models, and quickly import the models into Etabs software for calculation.

Interactive Evolutionary Algorithms for Grasshopper

Bison is a landcape architecture plugin for Grasshopper + Rhino 6. It features tools for terrain mesh creation, analysis, editing, and annotation.

VisualARQ adds flexible BIM features to Rhino, and speeds up the process of modeling an architectural project in 2D and 3D.

A set of tools for creating jewellery within Rhino 67 & 8

A Grasshopper plug-in that extends and enhances list and DataTree management practices.