Polaris

Name: Polaris
Brand: Polaris
Rating: 4.4 (281 reviews)

Unclaimed

An open-source policy engine for Kubernetes to ensure configuration best practices.

DevOps Security Compliance Cloud & Infrastructure

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4.4(281 across the web)

FreemiumVisit Website

Reviews onG2CapterraSourceForge

281 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Open-source and free to use

Biggest con

Requires familiarity with Kubernetes configurations and JSON for custom policies

TL;DR - Polaris

Open-source policy engine for Kubernetes.
Enforces configuration best practices for security and efficiency.
Automates detection and remediation of configuration issues.

Pricing: Free plan available

Best for: Growing teams

4.4/5 across review platforms

What is Polaris?

Editorial review

Polaris is an open-source policy engine designed for Kubernetes environments. It helps users validate and enforce best practices for Kubernetes configurations, identifying potential issues related to security, efficiency, and reliability. By providing a framework to define and apply policies, Polaris ensures that deployments adhere to desired standards, preventing common misconfigurations. This tool is ideal for DevOps teams, SREs, and platform engineers who manage Kubernetes clusters and need to maintain consistent, secure, and optimized configurations. It helps reduce operational overhead by automating the detection and remediation of configuration drifts, leading to more stable and performant Kubernetes environments. Polaris integrates with Fairwinds Insights, a broader platform for Kubernetes governance, allowing for comprehensive visibility and management of cluster health and compliance.

Available on: Web

LCLouis CorneloupUpdated May 26, 2026 · how we evaluateSourcefairwinds.com ↗

Pros & Cons

Pros

Open-source and free to use
Automates policy enforcement, reducing manual effort
Improves Kubernetes cluster security and stability
Flexible with custom policy creation
Comes with a comprehensive set of built-in policies

Cons

Requires familiarity with Kubernetes configurations and JSON for custom policies
Primarily focused on Kubernetes, not a general-purpose policy engine

Ratings Across the Web

4.4(281 reviews)

SourceForge67 reviews

4.3/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Includes 30+ built-in configuration policiesCustomizable policy creation using JSON syntaxAutomatic remediation of issues based on policy criteriaIntegration with Fairwinds Insights for broader Kubernetes governanceIdentifies security, efficiency, and reliability issues in configurations

Pricing Plans

Free Trial

Open Source

Free

Ideal for small teams
Goldilocks (resource requests and limits)
Polaris (policy engine)
Nova (check Helm charts)
Pluto (find deprecated APIs)
GoNoGo (add-on upgrade safety)

Insights Enterprise

Custom pricing plans available

Ideal for teams managing multiple clusters and critical applications
Available modules: Kubernetes FinOps, Kubernetes Policy Management, and Kubernetes Security and Compliance
Cluster and node pricing options
Volume discounts
Unlimited nodes and clusters
Unlimited repository scanning
13 months of cost metrics retention
Automated container right-sizing
Self-hosted or SaaS option
Technical account manager

K8s Services

Custom pricing based on needs

Ideal for CTOs who need help managing Kubernetes
24 x 7 Pager
Managed Kubernetes Upgrades
Managed Add-ons
Cluster networking
Ongoing cluster maintenance
Node management
Shared Slack channel

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Reviews

4.4/5

Across 281 verified user reviews on Capterra, SourceForge, G2

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Best Polaris Alternatives

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Env0Paid

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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Polaris FAQ

How many pre-built configuration policies are included with Polaris?

Polaris comes with over 30 built-in configuration policies. These policies help users enforce best practices and identify potential issues within their Kubernetes configurations.

Can users create their own custom policies in Polaris?

Yes, Polaris allows users to write custom policies. This is done using an intuitive JSON syntax, providing flexibility to define specific organizational requirements.

Does Polaris offer any automated remediation capabilities for identified issues?

Polaris can automatically remediate issues based on the criteria defined in its policies. This feature helps streamline the process of maintaining compliant Kubernetes configurations.

Is Polaris an open-source project?

Yes, Polaris is an open-source policy engine designed for Kubernetes. It is part of Fairwinds' open-source offerings.

Source: fairwinds.com

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