Pepr is an open-source Kubernetes policy and automation framework for platform, security, and DevOps teams. It uses TypeScript-based capabilities to build admission controls, mutations, and event-driven cluster automation.
💡 Pick it for a mature, YAML-first Kubernetes policy experience with broader community adoption.
Kyverno is a policy management tool for Kubernetes that allows users to define policies as code. It helps in validating, mutating, and...
Open Policy Agent community
💡 Pick it when policies must span Kubernetes, APIs, CI/CD, and other infrastructure beyond the cluster.
Open Policy Agent is an open-source policy engine that separates policy decisions from application and infrastructure code. It serves platform, security, and...
Free and open source
Open Policy Agent community
💡 Pick it for established Rego expertise, reusable constraint templates, and mature Kubernetes auditing.
OPA Gatekeeper is a Kubernetes admission controller and audit system built on Open Policy Agent. It lets platform and security teams define...
Kubewarden Project
💡 Pick it when multi-language WebAssembly policies and signed policy distribution matter most.
Kubewarden is an open-source Kubernetes policy engine that runs policies compiled to WebAssembly. It supports policies written in multiple languages and provides...
Nirmata
💡 Pick it if you want JavaScript or TypeScript admission policies with a narrower Kubernetes policy scope.
jsPolicy is a Kubernetes policy engine that lets teams write admission policies in JavaScript or TypeScript. It targets platform and security engineers...
💡 Pick it for fast, built-in Kubernetes workload checks instead of authoring a broad custom policy framework.
Polaris is an integrated library system designed primarily for public libraries and consortia. It handles circulation, cataloging, acquisitions, serials, patron management, reporting,...
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