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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.

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


Haystack-Ruby

Jul 15, 2017, 18:00 PM
The open source Project Haystack initiative defines meta data and communication standards related to data from buildings and intelligent devices. The Project Haystack REST API defines standard formats and operations for exchanging Haystack tagged data over HTTP. The HaystackRuby gem wraps calls to this REST API to enable Ruby application to easily integrate data hosted on a Project Haystack compliant server. The HaystackRuby gem was developed to support applications related to campus energy.
Title : Haystack-Ruby
Url : https://github.com/NREL/haystack_ruby
Software Id : 5508
Categories :
  • Buildings
  • Software Categories

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Last Updated July 8, 2025