OctoMass is a grasshopper provides a set of parametric design tools that can be used to create building mass alternatives and evaluate some simulation data results.
Zbox is a set of tools I use for my activity at my studio "Zyme Engineering". It is based on a portable C# core library (.Net Standard 2 and exposed through components.
The Visual Tracer extension for Grasshopper is a revolutionary tool for the analysis and visualization of spatial visual qualities within digital environments.