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What is Project Haystack?

Project Haystack is an open source initiative to streamline working with data from the Internet of Things. We standardize semantic data models and web services with the goal of making it easier to unlock value from the vast quantity of data being generated by the smart devices that permeate our homes, buildings, factories, and cities. Applications include automation, control, energy, HVAC, lighting, and other environmental systems.

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WGs are addressing additional equipment systems and applications for the built environment.



Are you new to Project Haystack?
Start here with our primer Introduction to Project Haystack.



Dig a little deeper into a reference implementation "Applying Haystack Tagging to a Sample Building".

Tech Blog

Important updates for the Project Haystack community.

Latest News

The Latest Press Releases by the Project Haystack community.

Recent Articles

Recently published articles by the Project Haystack community for the Project Haystack community!

Connections Magazine

Spring 2020


Design Consultant's & Property Manager's View

Georgia Tech: The Kendeda Building for Innovative Design


Easy Tag-Based Graphics

Making effective tagging of assets and data easier with each release of Niagara.


Bringing Standardized Data Modeling Upfront in Project Commissioning

Utilizing standardized tags during initial project design, system specification, programming or commissioning provides a ripple effect of benefits.


Breaking Through System Integrators’ Tagging Adoption Barriers

A distinctive approach to truly make tagging work for systems integrators by Johnson Controls.

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