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.

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

Volumetric Modeling with signed distance functions (SDF) for Grasshopper.

Telepathy is a wireless sender/receiver that allows you to send Grasshopper data to anywhere on the canvas using a simple key naming interface.

A suite of Grasshopper tools for visual, performance-based, multi-objective design space exploration

Reindeer is a parametric toolkit customized for detailing fabrication-ready timber structures.

Paneling solutions from concept to fabrication. Generate 2D and 3D cellular patterns over rectangular grids.