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Letter O Journey

Exploring essential CNCF projects for letter O. Check out the current letter (U).

Ai Agent Structured Output

Non-CNCF

Structured Outputs

Ai Native Infra Governance Policy and Security

Non-CNCF

An admission controller that validates requests to create and update Pods on Kubernetes clusters, using the Open Policy Agent (OPA).

Non-CNCF

OPEA is an ecosystem orchestration framework to integrate performant GenAI technologies & workflows leading to quicker GenAI adoption and business value.

App Definition and Development Application Definition Image Build

incubating

SDK for building Kubernetes applications. Provides high level APIs, useful abstractions, and project scaffolding

sandbox

ORAS is the tool for working with OCI Artifacts

sandbox

Standards-based DSL and open-source dev tools and runtimes are at the heart of the Serverless Workflow project

Non-CNCF

The OpenAPI Specification (OAS) is a widely adopted standard for defining HTTP API interfaces. It enables both humans and systems to discover, understand, and interact with services seamlessly, eliminating the need to inspect source code or network traffic.

Key Features

  • • Standardizes HTTP API interfaces, making them programming language-agnostic.
  • • Allows discovery and understanding of a service's capabilities without source code access.
Non-CNCF

GitOps based deployment platform similar to Google Cloud Run and AWS App Runner. Easily deploy internal tools across a team.

App Definition and Development Continuous Integration Delivery

incubating

Automate application management on Kubernetes

sandbox

A developer platform for Kubernetes that delivers higher-level abstractions with a Backstage-powered portal, CI/CD, GitOps, and built-in observability.

sandbox

OpenGitOps is a set of open-source standards, best practices, and community-focused education to help organizations adopt a structured, standardized approach to implementing GitOps

App Definition and Development Database

sandbox

The open-source platform for automated database provisioning and management. It supports multiple database technologies and can be hosted on any Kubernetes infrastructure, in the cloud or on-premises.

App Definition and Development Streaming Messaging

Non-CNCF

Cloud-oriented, simple, flexible, vendor-neutral and language-independent standards for messaging

Cnai Automl

Non-CNCF

A hyperparameter optimization framework

Cnai Ci Cd Delivery

Cnai Data Architecture

Cnai Data Science

Cnai Distributed Training

Cnai General Orchestration

Cnai Governance Policy Security

Non-CNCF

An admission controller that validates requests to create and update Pods on Kubernetes clusters, using the Open Policy Agent (OPA).

Cnai Ml Serving

Cnai Model Llm Observability

Non-CNCF

OpenTelemetry-native LLM and GenAI Application Observability

Non-CNCF

Open-source observability for your LLM application, based on OpenTelemetry.

Cnai Open Enterprise Ai Blueprints

Non-CNCF

OPEA is an ecosystem orchestration framework to integrate performant GenAI technologies & workflows leading to quicker GenAI adoption and business value.

Cnai Vector Databases

Cnai Workload Observability

Cncf Members Academic

Cncf Members End User Supporter and Contributor

Cncf Members Gold

Cncf Members Nonprofit

Cncf Members Platinum

Cncf Members Silver

Inference Runtime

Non-CNCF

OpenVINO™ is an open source toolkit for optimizing and deploying AI inference

Observability and Analysis Chaos Engineering

Observability and Analysis Continuous Optimization

incubating

OpenCost provides visibility into current and historical Kubernetes spend and resource allocation.

Observability and Analysis Feature Flagging

incubating

Standardizing Feature Flagging for Everyone

Observability and Analysis Observability

graduated

High-quality, ubiquitous, and portable telemetry to enable effective observability

Non-CNCF

Enterprise-Grade OpenTelemetry for superior application performance monitoring.

Non-CNCF

OpenSearch is a community-driven, Apache 2.0-licensed open source search and analytics suite that makes it easy to ingest, search, visualize, and analyze data.

Orchestration Management Api Gateway

Orchestration Management Coordination Service Discovery

sandbox

Oxia is a scalable metadata store and coordination system

Orchestration Management Remote Procedure Call

Orchestration Management Scheduling Orchestration

sandbox

A lightweight, open standard for multi-cluster Kubernetes management built on a hub-spoke architecture.

sandbox

Cloud Native Function-as-a-Service Platform (CNCF Sandbox Project)

Non-CNCF

OpenSandbox is a general-purpose sandbox platform for AI applications, offering multi-language SDKs, unified sandbox APIs, and Docker/Kubernetes runtimes for scenarios like Coding Agents, GUI Agents, Agent Evaluation, AI Code Execution, and RL Training.

sandbox

OpenShell is the safe, private runtime for fleets of autonomous AI agents.

Orchestration Management Service Mesh

Orchestration Management Service Proxy

Platform Certified Kubernetes Ai Platform

Platform Certified Kubernetes Distribution

Non-CNCF

Oracle Cloud Native Environment is a fully integrated suite for the development and management of cloud-native applications that uses Kubernetes to orchestrate and schedule containers.

Platform Certified Kubernetes Hosted

Platform Certified Kubernetes Installer

Platform Paas Container Service

Provisioning Automation Configuration

incubating

An open platform that extends upstream Kubernetes to Edge.

Non-CNCF

Omni is a Kubernetes orchestrator for bare metal and edge environments. It manages full OS and Kubernetes lifecycles with Talos Linux and remote management with wireguard communication.

sandbox

OpenTofu is an open source infrastructure as code tool that enables users to safely and predictably provision and manage cloud and on-prem infrastructure. It's a community-driven fork of Terraform that maintains backward compatibility while offering enhanced features, stability.

Provisioning Container Registry

Provisioning Key Management

Provisioning Security Compliance

graduated

An open source, general-purpose policy engine

incubating

OpenFGA is a high performance and flexible authorization/permission system built for developers and inspired by Google Zanzibar

sandbox

A generic reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.

sandbox

The OSCAL COMPASS project is set of tools that enable the creation, validation, and governance of documentation artifacts for compliance needs. It leverages NIST's OSCAL (Open Security Controls Assessment Language) as a standard data format for interchange between tools and people, and provides an opinionated approach to OSCAL SDK and adoption by policy engines.

Non-CNCF

Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...)

sandbox

A docker-inspired CLI for building, tagging, pushing, pulling, and signing OPA policies to and from OCI-compliant registries.

Runtime Cloud Native Network

sandbox

A robust Kubernetes networking platform

Runtime Cloud Native Storage

Runtime Container Runtime

Serverless Framework

Serverless Hosted Platform

Serverless Installable Platform

Serverless Security

Serverless Tools

Special Certified Cnfs

Special Kubernetes and Cloud Native Training Partner

Special Kubernetes Certified Service Provider

Training Post Training

Non-CNCF

A hyperparameter optimization framework

Wasm Ai Machine Learning

Wasm Application Frameworks

Wasm Debugging Observability

Wasm Decentralized Platforms

Wasm Edge Bare Metal

Wasm Embedded Functions

Wasm Hosted Platforms

Wasm Languages

Wasm Orchestration Management

Wasm Packaging Registries Application Delivery

Wasm Runtimes

Wasm Tooling