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Technical Training Registration Now Open For Sep 19-23

Come join our resident expert Tom Carlson for a deep-dive into NIEM. This 5 day pre-recorded course is geared toward NIEM developers and implementers. Your trainer will be in the virtual classroom to answer your questions in real-time from 8 AM - 5 PM (ET). The class is free to the public, but spaces are limited.

NIEM to Transition to OASIS Open Project

NIEM will transition to OASIS, an ANSI-accredited and ISO-recognized standards development organization, on 20 October. To stay engaged in the NIEM community, please subscribe to our mailing list.

Download the Message Exchange Package (MEP) Builder

The Message Exchange Package (MEP) Builder v1.0.1 is NIEM's latest open-source tool offering.  Trainees at the March 2022 NIEM Technical training were the first audience to receive a demo and now you can too.  The MEP Builder is now available for download.

What is NIEM?

NIEM is 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 to Transition to an OASIS Open Project

    This October, NIEM will transition from the U.S. Department of Defense to OASIS, an ANSI-accredited and ISO-recognized standards development organization. This move creates a path for NIEM to become an official standard in national and international policy and procurement. The inaugural NIEM Open Project Governing Board (PGB) meeting will occur on 20 October in Arlington, Virginia. “Transitioning to an OASIS...

  • Best of NIEM 2022 - Now Accepting Nominations

    The NIEM Management Office is pleased to announce that the Best of NIEM 2022 Award nomination period is now open. Each year, the Best of NIEM Award recognizes NIEM implementation projects demonstrating noteworthy contributions to the use, growth, and adoption of NIEM. The Best of NIEM 2022 Award nomination form is available for download. Instructions are included on the form...

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