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See the table below for our open-source software offerings. 

For the most current listing of NREL-developed open-source software, see U.S. Department of Energy Office of Scientific and Technical Information's DOE CODE database.

Commercial Licensing

Explore more than 250 copyrighted software tools available for licensing via the Department of Energy's Lab Partnering Service.


Alfalfa

Nov 13, 2018, 17:00 PM
Alfalfa is a web-based software service that implements a virtual building control system using the EnergyPlus simulation as a backend. Conventional building energy simulation is noninteractive, meaning that a simulation is started and run to completion without any user input during the simulation. Alfalfa allows a client to start a building simulation and then interactively read sensor locations and dynamically command actuators in real time.
Title : Alfalfa
Url : https://github.com/NREL/alfalfa
Software Id : 21229
Categories :
  • Buildings
  • JavaScript
  • Python
  • Software Categories

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Last Updated July 8, 2025