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projectcalico

calico

projectcalico

A cloud-native container networking and network security solution providing high-performance, scalable networking and security policies for Kubernetes clusters.

v3.33.0
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17d ago
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Latest release

v3.33.0Oct 1, 2026, 11:22 PM
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README

Project Overview

Project Calico, created and maintained by Tigera, is an open-source project that has grown to be the most widely adopted solution for container networking and security, powering 8M+ nodes daily across 166 countries.

Key Features

  • Data Plane Choice: eBPF, standard Linux, Windows, and VPP
  • Interoperability: Works across multiple distros, clouds, bare metal, and VMs
  • Optimized Performance: Engineered for high speed and low CPU usage
  • Scalable Architecture: Grows seamlessly with Kubernetes clusters
  • Advanced Security: Granular access controls and WireGuard encryption
  • Kubernetes Networking Policy Support: Defining excellence in network policy standards
  • Flexible Networking: BGP, VXLAN, service advertisement, and more

Target Audience

  • Kubernetes cluster administrators and platform engineers
  • DevOps teams who need container networking and security

Quick Start

  1. Visit the Quickstart
  2. Install Calico on your Kubernetes cluster
  3. Configure network policies

Core Advantages

  • Most widely adopted container networking and security solution
  • Over 200 contributors
  • Supports eBPF, standard Linux, Windows, and VPP data planes

System Requirements

  • OS: Cross-platform (Kubernetes cluster)

Release history

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