Alternatives to Submariner

Aviatrix Kubernetes Firewall

The firewall is designed for enterprises operating Kubernetes at scale, particularly across hybrid and multicloud environments.

It suits teams connecting workloads across clusters or clouds, including environments with Kubernetes, virtual machines, or physical servers.

It suits teams running Kubernetes on Linux that need policy evaluation for pods, including standard and administrative policy formats.

Calico Open Source

It suits Kubernetes users seeking open-source networking, security policy, and observability across cloud, hybrid, or on-premises environments.

Cilium

Cilium suits teams managing workload networking who need policy, security, and observability capabilities in Linux environments.

CNI Plugins suits developers and teams configuring container networking on Linux or Windows.

DANM suits Kubernetes cluster administrators who need to manage multiple network interfaces, address allocation, or tenant network resources.

Flannel suits teams connecting containers in Kubernetes or Docker environments that need a host-to-host network fabric.

Kube-OVN is aimed at Kubernetes environments that need KubeVirt support or multi-tenant networking.

Calico Enterprise

It suits organizations seeking self-managed Kubernetes network security and observability, including multi-cluster connectivity and policy controls.

It suits operators running Kubernetes on Linux, cloud, on-premises, or bare-metal infrastructure.

It suits enterprise and telco teams building Kubernetes networking, including clusters that need policy controls, multiple networks, or mixed Windows and Linux nodes.

Red Hat OpenShift Pipelines

It suits teams delivering applications on OpenShift, particularly decentralized teams working with microservice-based architectures.

Spiderpool suits Kubernetes operators running specialized networking on bare metal, virtual machines, or public clouds.

Liqo suits teams managing workloads across heterogeneous Kubernetes clusters, including on-premises, cloud, edge, or multi-cloud environments.

Isovalent Enterprise for Cilium

It suits organizations operating Linux-based, self-hosted clusters across cloud and on-premises environments.

Terway suits teams running Alibaba Cloud Kubernetes or compatible self-hosted Linux clusters that need ENI-based Pod networking and policy controls.