Repositories list

• tac

  Public

  openmainframeproject/tac’s past year of commit activity
  Open Mainframe Project TAC processes and meeting notes

  tac

  HTML

  •

  Creative Commons Attribution 4.0 International

  •35•75•37•0•Updated Jan 28, 2026Jan 28, 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.

  landscape

  Shell

  •

  Apache License 2.0

  •22•17•0•1•Updated Jan 26, 2026Jan 26, 2026

• wg-ztrust

  Public
  Creative Commons Attribution 4.0 International

  •0•0•0•0•Updated Jan 22, 2026Jan 22, 2026

• build-feilong

  Public
  Shell

  •

  Apache License 2.0

  •3•2•4•0•Updated Jan 21, 2026Jan 21, 2026

• feilong

  Public
  Feilong is a open source z/VM cloud connector project under the Open Mainframe Project umbrella that will accelerate the z/VM adoption, extending its ecosystem and its user experience. It provides a set of APIs to operate z/VM including guest, image, network, volume etc.

  vm-cloud-connector

  Python

  •

  Apache License 2.0

  •97•52•47•8•Updated Jan 21, 2026Jan 21, 2026

• foundation

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

  Python

  •

  Creative Commons Attribution 4.0 International

  •22•49•15•1•Updated Jan 13, 2026Jan 13, 2026

• artwork

  Public
  🎨Open Mainframe Project related logos and artwork

  artworkmember-logos

  HTML

  •

  Other

  •7•14•0•1•Updated Jan 12, 2026Jan 12, 2026

• zvm-community-tools

  Public
  Python

  •

  Apache License 2.0

  •4•11•1•1•Updated Dec 22, 2025Dec 22, 2025

• omp-education

  Public
  Official repository for the Mainframe Open Education project

  Creative Commons Attribution 4.0 International

  •12•23•16•2•Updated Dec 12, 2025Dec 12, 2025

• cobol-check

  Public
  A testing framework for Cobol applications

  Java

  •

  Apache License 2.0

  •32•97•45•7•Updated Dec 2, 2025Dec 2, 2025

• software-discovery-tool

  Public
  Software Discovery Tool

  Python

  •

  Apache License 2.0

  •43•37•22•16•Updated Oct 23, 2025Oct 23, 2025

• 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).

  Java

  •

  Apache License 2.0

  •20•25•4•0•Updated Sep 29, 2025Sep 29, 2025

• wg-sbom

  Public
  A working group to refine and adapt industry standard SBOMs to cater to traditional z/OS applications primarily - COBOL, PL/I, HLASM and mixed language applications.

  Creative Commons Attribution 4.0 International

  •0•1•8•1•Updated Sep 4, 2025Sep 4, 2025

• cobol-programming-course

  Public
  Training materials and labs for a "Getting Started" level course on COBOL

  cobollabstraining-materials+ 1cobol-programming

  COBOL

  •

  Creative Commons Attribution 4.0 International

  •661•3.4k•23•3•Updated Aug 26, 2025Aug 26, 2025

• mainframe-software-hub-linux

  Public
  Apache License 2.0

  •0•0•4•0•Updated Jul 30, 2025Jul 30, 2025

• wg-modernization

  Public
  Modernization WG

  Creative Commons Attribution 4.0 International

  •5•6•6•4•Updated Jul 16, 2025Jul 16, 2025

• tersedecompress-testdata

  Public
  Test data for testing TerseDecompress

  HTML

  •

  Apache License 2.0

  •4•3•0•0•Updated Jan 9, 2025Jan 9, 2025

• project-template

  Public template
  Project template for new OMP projects

  Apache License 2.0

  •7•4•10•0•Updated Nov 19, 2024Nov 19, 2024

• software-discovery-tool-data

  Public
  Apache License 2.0

  •15•6•2•1•Updated Oct 8, 2024Oct 8, 2024

• ade

  Public
  ADE detects anomalous time slices and messages in Linux logs (either RFC3164 or RFC5424 format) using statistical learning.

  Java

  •

  GNU General Public License v3.0

  •35•90•11•8•Updated Oct 3, 2024Oct 3, 2024

• software-discovery-tool-deploy

  Public
  View the live deployed version of SDT maintained by OMP

  Apache License 2.0

  •8•1•3•3•Updated Jul 17, 2024Jul 17, 2024

• zorow

  Public
  z/OS Open Repository of Workflows (zorow), is an open source community dedicated to contributing and collaborating on z/OSMF workflows. Hosted by Open Mainframe Project

  osmf-workflow

  REXX

  •

  Apache License 2.0

  •25•42•4•2•Updated Jun 3, 2024Jun 3, 2024

• otel-sig-mainframe

  Public
  Apache License 2.0

  •1•1•0•0•Updated Apr 16, 2024Apr 16, 2024

• cobol-code-dataset

  Public
  COBOL code from production use, for using as a dataset for LLM training

  Other

  •1•3•1•0•Updated Apr 2, 2024Apr 2, 2024

• mainframedebate

  Public
  HTML

  •1•1•0•0•Updated Jun 1, 2023Jun 1, 2023

• cloudstack-wg

  Public archive
  Open Mainframe Project Cloudstack WG collaboration

  Creative Commons Attribution Share Alike 4.0 International

  •5•5•0•1•Updated Mar 1, 2023Mar 1, 2023

• polycephaly

  Public archive
  Groovy code to build z/OS source code files with Jenkins and Git

  jenkinsgroovydevops+ 6developmentassemblercobolcicszoseasytrieve

  Groovy

  •8•16•6•1•Updated Mar 1, 2023Mar 1, 2023

• wg-open-zos-enablement

  Public archive
  Public Cloud z/OS enablement working group

  Creative Commons Attribution 4.0 International

  •4•5•6•0•Updated Mar 1, 2023Mar 1, 2023

• atompkg-language-zvm-rexx

  Public archive
  Atom editor package that adds language syntax highlighting for z/VM Rexx files.

  syntax-highlightinglanguagesyntax+ 4atom-packageatom-editorrexxzvm

  CoffeeScript

  •

  Other

  •4•4•0•0•Updated Mar 1, 2023Mar 1, 2023

• atompkg-language-zvm-names

  Public archive
  Atom editor package that adds language syntax highlighting for z/VM CMS NAMES files.

  syntax-highlightinglanguagesyntax+ 4grammaratom-packageatom-editorzvm

  CoffeeScript

  •

  Apache License 2.0

  •3•3•0•0•Updated Mar 1, 2023Mar 1, 2023