Skip to content
@openmainframeproject

Open Mainframe Project

Home for technical activities hosted by the Open Mainframe Project.

Open Mainframe Project Logo

The Open Mainframe Project was founded in 2015, as a focal point for deployment and use of Linux and Open Source in a mainframe computing environment. Open Source is the collective thread within leading organizations that look to leverage their technology infrastructure as a competitive advantage. The mainframe design principles of security, stability, scalability, and performance are important to these leading organizations, and having the mainframe interoperable in a hybrid infrastructure enables leading organizations to realize its benefits. Open Mainframe Project believes this is best achieved as a community through open source.

This organization contains the repositories for the core Open Mainframe Project and many of the hosted projects and working groups. Below is the list of core Open Mainframe Project repositories hosted here.

  • foundation, which contains materials on the Open Mainframe Project itself including the charter, policies, overview decks, and program materials.
  • tac is the home of the TAC processes, policies, programs, and meeting minutes. You can most easily view these materials at tac.openmainframeproject.org.
  • artwork contains artwork for the Open Mainframe Project, it's hosted projects and working groups, and other programs hosted. You can most easily view these assets at artwork.openmainframeproject.org.
  • omp-landscape is the source for the Open Mainframe Project Landscape and where you can suggest changes and new entries. You can view the landscape at landscape.openmainframeproject.org
  • project-template is a template for using when starting a new project at the Open Mainframe Project
  • wg-template is a template for using when starting a new working group at the Open Mainframe Project

Learn about all the hosted projects and working groups and how to get involved at tac.openmainframeproject.org/engagement

Pinned Loading

  1. tac tac Public

    Open Mainframe Project TAC processes and meeting notes

    HTML 77 35

  2. artwork artwork Public

    🎨Open Mainframe Project related logos and artwork

    HTML 14 7

  3. foundation foundation Public

    Open Mainframe Project foundation level resources, such as the charter, FAQ about the project, and other public assets

    49 23

  4. omp-landscape omp-landscape Public

    🌄Landscape for popular open source projects specific to the mainframe. This interactive landscape, similar to that of the CNCF Landscape (https://l.cncf.io/), shows details including GitHub stars, …

    Shell 17 22

  5. project-template project-template Public template

    Project template for new OMP projects

    4 7

  6. wg-template wg-template Public template

    Working group template

    2 3

Repositories

Showing 10 of 45 repositories
  • foundation Public

    Open Mainframe Project foundation level resources, such as the charter, FAQ about the project, and other public assets

    openmainframeproject/foundation’s past year of commit activity
    49 CC-BY-4.0 23 15 1 Updated Feb 19, 2026
  • tac Public

    Open Mainframe Project TAC processes and meeting notes

    openmainframeproject/tac’s past year of commit activity
    HTML 77 CC-BY-4.0 35 37 0 Updated Feb 19, 2026
  • wg-ztrust Public
    openmainframeproject/wg-ztrust’s past year of commit activity
    0 CC-BY-4.0 0 0 0 Updated Feb 18, 2026
  • tersedecompress Public

    TerseDecompress is a java program that can be used to decompress files which have been previously compressed on an IBM Mainframe using the TERSE / AMATERSE program (on IBM z/OS or IBM z/VM).

    openmainframeproject/tersedecompress’s past year of commit activity
    Java 26 Apache-2.0 21 2 1 Updated Feb 17, 2026
  • tersedecompress-testdata Public

    Test data for testing TerseDecompress

    openmainframeproject/tersedecompress-testdata’s past year of commit activity
    HTML 3 Apache-2.0 4 0 0 Updated Feb 16, 2026
  • omp-landscape Public

    🌄Landscape for popular open source projects specific to the mainframe. This interactive landscape, similar to that of the CNCF Landscape (https://l.cncf.io/), shows details including GitHub stars, funding or market cap, first and last commits, contributor count and many more.

    openmainframeproject/omp-landscape’s past year of commit activity
    Shell 17 Apache-2.0 22 0 0 Updated Feb 13, 2026
  • artwork Public

    🎨Open Mainframe Project related logos and artwork

    openmainframeproject/artwork’s past year of commit activity
    HTML 14 7 0 0 Updated Feb 9, 2026
  • openmainframeproject/zowe-conformance’s past year of commit activity
    Python 0 Apache-2.0 0 0 0 Updated Feb 7, 2026
  • openmainframeproject/zvm-community-tools’s past year of commit activity
    Python 11 Apache-2.0 4 1 1 Updated Feb 5, 2026
  • build-feilong Public
    openmainframeproject/build-feilong’s past year of commit activity
    Shell 2 Apache-2.0 3 4 0 Updated Jan 21, 2026