Sonobuoy is a diagnostic tool that makes it easier to understand the state of a Kubernetes cluster by running a set of Kubernetes conformance tests and other plugins in an accessible and non-destructive manner.

🧪CNCF K8s Conformance Working Group

MDA Open Spec — a Markdown superset for agent-facing documents. One .mda source compiles to drop-in SKILL.md, AGENTS.md, MCP-SERVER.md, and CLAUDE.md. JSON Schema validated, with typed dependency graph, footnote relationships, and Sigstore-anchored signatures. For agentskills.io and AAIF runtimes.

A CLI to run all kinds of code quality measurements to align your team with company goals

Kubernetes AI Conformance

📦 Structure, maintain, and operate JavaScript codebases that scale from one developer to hundreds.

Conformance test suite for Connect, gRPC, and gRPC-Web implementations.

A fast, embeddable drop-in for DynamoDB Local, backed by SQLite. Runs as a native binary, a ~5 MB Docker image, or in the browser.

A lightweight Experience API Learning Record Store (LRS)

This repository provides the source code for MPEG-DASH/DASH-IF Conformance Software/Validator. It has been extended according to further standards, such as CMAF, DVB-DASH, HbbTV, and CTA WAVE.

A sample application for learning how to service mesh and for validating SMI conformance

The new home of JTidy updated to work with HTML5

Wayland Conformance Test Suite

Certification Test Tools Resources. For security and privacy related issues email tools@fidoalliance.org

Test files for the OpenJPEG libraries and utilities

The Interoperability Test Bed is a solution supported by the European Commission’s DIGIT for the conformance testing of IT systems.

A repository running the Protobuf conformance tests against various libraries

Thymian is a language-agnostic, open-source HTTP conformance and API governance tool. It validates your APIs against RFC standards and your OpenAPI specification — statically, against live endpoints, and in recorded production traffic. Fully extensible with plugins and shareable custom rules.

Web and command-line application supported by the European Commission’s DIGIT for the validation of RDF data.

As simple interoperability app for FIDO2 servers [Please install me for interop]