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NIEMOpen Reveals Its Inaugural Summit

Mark your calendars for a groundbreaking event that promises to redefine the landscape of international information sharing. NIEMOpen proudly announces its inaugural annual summit, the NIEMOpen Reveal, slated to take place from February 18th to 20th, 2025, at the prestigious National Press Club in the heart of Washington, D.C.

Have you searched the NIEM Public IEPD / MEP Registry and Repository?

The NIEMOpen public IEPD/MEP Registry and Repository allows users to register IEPD/MEP's and promote re-use and collaboration. It includes over 200+ IEPDs/MEPs.  If you would like to share your IEPD or Message Exchange Package email, then Contact Us using the Contact link in the upper right hand corner of the page. Select 'Submit and IEPD/MEP' from the Inquiry Category drop-down menu.  Please provide a title, description, and website link.

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.

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

  • NIEMOpen Reveals Its Inaugural Summit

    Mark your calendars for a groundbreaking event that promises to redefine the landscape of international information sharing. NIEMOpen proudly announces its inaugural annual summit, the NIEMOpen Reveal, slated to take place from February 18th to 20th, 2025, at the prestigious National Press Club in the heart of Washington, D.C. At the core of the NIEMOpen Reveal lies the unveiling of...

  • 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...

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