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Sign Up for NIEM Hybrid Technical Training in April 2024

Sign up for NIEM's Hybrid Technical Training from April 22 - 26. Each day you will watch approximately 2 hours of training videos at your convenience and a live NIEM expert will host a daily Q&A Session from 3:00 - 3:30 PM (ET).


Announcing the NIEM Public IEPD / MEP Registry and Repository

NMO has officially launched the first release of a Public IEPD/MEP Registry and Repository that allows users to register IEPD/MEP's and promote re-use and collaboration. The initial rollout includes over 200+ IEPDs/MEPs and will continue to be actively updated as more IEPDs/MEPs are collected and published.

The New Age of Data Modernization in Government

Leaders from the DoD, Army, and Progress|MarkLogic discuss challenges in how agencies are leveraging data, and how solutions such as data mesh, machine learning and more are making that data actionable.

NIEMOpen Receives 2023 Open Cup Award for Outstanding New Initiative

OASIS Open, the international open source and standards consortium, announced the winners of the 2023 Open Cup for Outstanding New Initiative was awarded to NIEMOpen, a framework for sharing critical data in justice, public safety, emergency management, and more.

What is NIEM?

NIEM offers a common vocabulary that enables efficient information exchange across diverse public and private organizations. NIEM can save time and money by providing consistent, reusable data terms and definitions, and repeatable processes.

Learn More

Download Current Release

Check out the latest version and release history on our Github.

Explore Training

Providing our developer community with resources to help use NIEM.

View Success Stories

Participating organizations & agencies leveraging the power of NIEM.

Browse Tool Catalog

An inventory of tools to support developers and implementers alike.

Latest News

  • NIEM, a “new” Open Project 18 years in the making

    After hearing that NIEMOpen was awarded the 2023 OASIS Open Cup, you may be interested in learning more about the new OASIS Open Project. With the assistance of ChatGPT, the current technology darling of the moment, here is a quick summary of what you need to know about NIEM. What is NIEM? NIEM, formerly known as the "National Information Exchange...

  • NIEMOpen Reaches Out

    As the newly formed NIEMOpen management office has begun operations under OASIS Open, there is a need to inform new and existing community members about the changes and opportunities that this transformation brings. Under OASIS, there is a potential for engaging new communities and data management professionals in the use of NIEMOpen, but only if potential users know what is...

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