# Open Mainframe Project

**Canonical:** https://apis.io/providers/open-mainframe-project/  
**Website:** https://www.openmainframeproject.org/  
**APIs profiled:** 12

The Open Mainframe Project is a Linux Foundation project encouraging the use of Linux-based operating systems and open source software on mainframe computers. Founded in 2015 with IBM, it hosts projects such as Zowe (modern interfaces for z/OS), Feilong (z/VM cloud connector), Galasa (testing), and a range of community programs that promote mainframe skills and open source on IBM Z and LinuxONE platforms.

## Kin Score — 10.9 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 10.9).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Education & Research**: 11.1 (matched via tags).

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (12)

- **Zowe** — Zowe is an open source software framework that delivers modern interfaces to interact with z/OS, including a CLI, a web UI (Application Framework), and REST APIs (API Mediation ...
- **Feilong** — Feilong is an open source z/VM cloud connector that exposes z/VM functions as REST APIs to accelerate z/VM adoption and enable integration with modern cloud automation tooling.
- **Galasa** — Galasa is an open source deep integration test framework able to run tests across z/OS, distributed systems, and cloud platforms, with REST APIs for managing test runs and resou...
- **Tessia** — Tessia automates the installation, configuration, and testing of Linux systems running on the IBM Z platform, exposing a REST API for managing systems, networks, and provisionin...
- **GenevaERS** — GenevaERS is a single-pass optimization engine for high-volume data extraction, transformation, and reporting on z/OS, used to consolidate large-scale mainframe analytics worklo...
- **COBOL Check** — COBOL Check is a unit testing framework for COBOL that enables test-driven development for mainframe code with assertion-based tests runnable from CI pipelines.
- **zopen Community** — zopen is a community-driven catalog and build framework that ports and packages popular open source tools for z/OS, expanding the open source tool surface available to mainframe...
- **Ambitus** — Ambitus fosters a community focused on educating developers about open source technologies running on z/OS and Linux on Z, including curated tutorials and learning paths.
- **CBT Tape** — CBT Tape is a long-running open library of free software distributions for IBM mainframe MVS, OS/390, and z/OS environments.
- **COBOL Programming Course** — An open educational initiative offering structured COBOL learning materials alongside contemporary tooling such as VS Code, Zowe CLI, and Git for modern mainframe development wo...
- **Software Discovery Tool** — Software Discovery Tool helps match developer requirements with available open source software tested on the IBM Z platform.
- **Mainframe Open Education** — Mainframe Open Education is a community for newcomers and experienced mainframe practitioners, sharing learning resources, mentoring guidance, and skills programs.

## Security (1)

- **Open Mainframe Project Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Open Mainframe Project Plans Pricing**

## Tags

Cloud-Native, Education, Enterprise, IBM Z, Linux Foundation, Linux on Z, Mainframe, Open-Source, z/OS, z/VM

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/open-mainframe-project/). Scores are computed from the provider's own public artifacts under a published rubric.