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@niemopen

NIEMOpen

A community-driven, standards-based approach to defining information exchange packages for multiple business domains.
README.MD

NIEMOpen GitHub Repos

A directory for the NIEMOpen GitHub repositories is provided below, with descriptions available as tooltips on the links.

The transition of repositories from the NIEM GitHub account to the new niemopen GitHub account is in progress. Links to the original NIEM repos have been temporarily provided while content, open issues, and wiki pages are still being contributed.

Technical Steering Committees

Specifications

Resources

Tools

Popular repositories Loading

  1. niem-model niem-model Public

    The NIEM reference data model

    CSS 27 8

  2. common-model-format common-model-format Public

    This specification defines the Common Model Format (CMF), a data model that can be expressed as XML, JSON or any other serialization that NIEM supports.

    9

  3. oasis-open-project oasis-open-project Public

    A community-driven, standards-based approach to defining information exchange packages for multiple business domains.

    8 8

  4. niem-naming-design-rules niem-naming-design-rules Public

    NIEM Naming and Design Rules Specification

    HTML 7 4

  5. ntac-admin ntac-admin Public

    The NTAC is a NIEMOpen Technical Steering Committee, responsible for the NIEM technical architecture. This repo contains its meeting minutes and discussion papers.

    CSS 4 4

  6. cmftool cmftool Public

    CMFTool is a command-line tool for the developers of NIEM-conforming data exchange specifications using the NIEM Common Model Format (CMF).

    Java 3 1

Repositories

Showing 10 of 19 repositories
  • niem-forensics Public
    niemopen/niem-forensics’s past year of commit activity
    0 0 0 0 Updated Jan 16, 2026
  • cmftool Public

    CMFTool is a command-line tool for the developers of NIEM-conforming data exchange specifications using the NIEM Common Model Format (CMF).

    niemopen/cmftool’s past year of commit activity
    Java 3 Apache-2.0 1 2 0 Updated Jan 14, 2026
  • ntac-admin Public

    The NTAC is a NIEMOpen Technical Steering Committee, responsible for the NIEM technical architecture. This repo contains its meeting minutes and discussion papers.

    niemopen/ntac-admin’s past year of commit activity
    CSS 4 4 10 1 Updated Jan 6, 2026
  • oasis-open-project Public

    A community-driven, standards-based approach to defining information exchange packages for multiple business domains.

    niemopen/oasis-open-project’s past year of commit activity
    8 8 2 0 Updated Dec 31, 2025
  • nbac-admin Public

    The NBAC is a NIEMOpen Technical Steering Committee, responsible for the NIEM business architecture, the management of NIEM Core, and the support of NIEM domains. This repo contains its meeting minutes and tasks.

    niemopen/nbac-admin’s past year of commit activity
    1 1 13 0 Updated Dec 10, 2025
  • niem-api Public

    This repo provides an API and backend support for NIEM including model management, search, transformations, migrations, and validation.

    niemopen/niem-api’s past year of commit activity
    2 Apache-2.0 1 52 0 Updated Nov 20, 2025
  • niem-toolbox Public

    An open source frontend tool for NIEM data modelers and message developers

    niemopen/niem-toolbox’s past year of commit activity
    2 Apache-2.0 1 5 0 Updated Nov 20, 2025
  • .github Public
    niemopen/.github’s past year of commit activity
    0 2 0 0 Updated Nov 20, 2025
  • niem-naming-design-rules Public

    NIEM Naming and Design Rules Specification

    niemopen/niem-naming-design-rules’s past year of commit activity
    HTML 7 4 2 0 Updated Nov 18, 2025
  • common-model-format Public

    This specification defines the Common Model Format (CMF), a data model that can be expressed as XML, JSON or any other serialization that NIEM supports.

    niemopen/common-model-format’s past year of commit activity
    9 0 3 0 Updated Sep 29, 2025
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