The best Calico Open Source alternatives

Antrea suits teams operating Kubernetes workloads that need pod networking, policy controls, diagnostics, or multi-cluster federation.

Hopr is aimed at security leaders, DevOps teams, and platform engineers managing workloads and APIs.

Istio suits teams operating distributed applications on Kubernetes that need traffic management, security controls, or observability.

Xshield suits enterprise and government organizations managing data center, cloud, endpoint, container, IoT, or OT environments.

Cilium suits teams managing workload networking and security in Linux-based environments, including Kubernetes deployments.

OVN-Kubernetes suits teams building Kubernetes networks, particularly where enterprise or telco networking capabilities matter.

Kube-router may suit operators who need networking for Kubernetes clusters running on Linux, in cloud environments, or on self-hosted infrastructure.

It is intended for organizations that want a self-managed Kubernetes platform for network security and observability.

It is designed for enterprises securing dynamic, distributed, cloud-native workloads across one or more public clouds.

It suits organizations seeking identity-based segmentation across mixed IT, IoT, OT, and IoMT environments.

This product suits organizations managing Juniper SRX firewalls across on-premises, cloud, or hybrid environments.

TSB is aimed at platform owners, application developers and security administrators managing large multi-cluster, multi-tenant deployments.

It suits teams operating Linux, self-hosted, hybrid infrastructure that need network policy, observability, runtime security, and multi-cluster…

It suits teams securing self-hosted Kubernetes environments that need image and registry scanning, runtime protection, and admission control.