Basement and Slab EnergyPlus Ground Heat Transfer Auxilary Programs and Kiva heat transfer IDF modifications (WIP exposed in the GH parametric environment.

Nuada.CFD brings you Computational Fluid Dynamics (CFD directly in Rhino!Developed by CORE studio this environment allows you to run CFD simulations from within Rhino

Free plug-in for Rhinoceros and Grasshopper - parametric 3D multizone building definition - combined thermal and daylight simulation - TRNSYS18

DixieVR | Immersive Multi-User Simulation for Architectural Conception

Termite Agent Based Modelling and Simulation Toolkit

Set of components that can run simulations for infiltration, exfiltration, and room-to-room airflows in building systems, using Contam software (NIST