Best VMware NSX Container Plugin Alternatives in 2026
15 container networking software our editors would look at instead of VMware NSX Container Plugin, in our ranking order.
VMware NSX Container Plugin: A VMware-focused Kubernetes networking layer with policy, visibility, and troubleshooting controls. Where it falls short: contact-sales pricing makes plan comparison less direct..
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Cilium not yet scored
Best forBroad Kubernetes networking and observability
A broad open-source networking and observability layer for Kubernetes environments.
—not yet scoredVisit Cilium -
Calico Open Source not yet scored
Best forFree, full-featured Kubernetes networking
A free, broad Kubernetes networking stack with policy, encryption, and multi-cluster support.
- Multi-cluster networking
- Encryption in transit
- Egress control
—not yet scoredVisit Calico -
Antrea not yet scored
Best forAdvanced policy and multi-cluster networking
A strong open-source choice for advanced Kubernetes networking, policy, and visibility.
—not yet scoredVisit Antrea -
OVN-Kubernetes not yet scored
Best forFeature-rich Linux and Windows clusters
A feature-rich, free CNI for Kubernetes clusters spanning Linux and Windows.
- Encryption in transit
- Egress control
- CNI plugin
—not yet scoredVisit OVN-Kubernetes -
Kube-OVN not yet scored
Best forMulti-tenant Kubernetes and VM networking
A broad self-hosted CNI for multi-tenant Kubernetes and KubeVirt networking.
—not yet scoredVisit Kube-OVN -
Best forEnterprise Kubernetes security and networking
A broad Kubernetes networking and security suite for enterprises operating complex clusters.
2.8/10★☆☆☆☆Visit Tigera -
Isovalent Enterprise for Cilium not yet scored
Best forEnterprise Cilium networking for self-hosted clusters
A self-hosted Cilium platform for policy-controlled Kubernetes networking and visibility.
—not yet scoredVisit Cisco -
Amazon VPC CNI not yet scored
Best forAmazon EKS and native AWS networking
A native AWS networking plugin for Kubernetes clusters running on Amazon infrastructure.
- Egress control
- CNI plugin
- Network policies
—not yet scoredVisit Amazon VPC CNI -
Azure CNI not yet scored
Best forAzure Kubernetes Service networking
A free, open-source CNI for flexible AKS networking and policy control.
- Encryption in transit
- Egress control
- CNI plugin
—not yet scoredVisit Azure CNI -
Kube-router not yet scored
Best forBGP-based Kubernetes networking
A broad open-source Kubernetes networking stack for BGP-based cluster designs.
- Egress control
- CNI plugin
- Network policies
—not yet scoredVisit Kube-router -
Flannel not yet scored
Best forStraightforward Kubernetes cluster networking
A free, focused CNI for straightforward Kubernetes cluster networking.
- Encryption in transit
- CNI plugin
- Network policies
—not yet scoredVisit Flannel -
Spiderpool not yet scored
Best forComplex multi-interface IPAM environments
A broad Kubernetes networking layer for complex multi-interface and RDMA environments.
- Multi-cluster networking
- Encryption in transit
- Egress control
—not yet scoredVisit Spiderpool -
Submariner not yet scored
Best forFree cross-cluster Kubernetes connectivity
A free open-source layer for connecting Pods and Services across Kubernetes clusters.
- Multi-cluster networking
- Encryption in transit
- Egress control
—not yet scoredVisit Submariner -
Aviatrix Kubernetes Firewall not yet scored
Best forManaged multicloud Kubernetes traffic governance
Centralized multicloud Kubernetes traffic governance without replacing the CNI.
- Multi-cluster networking
- Egress control
- Network policies
—not yet scoredVisit Aviatrix -
DANM not yet scored
Best forMulti-interface Linux Kubernetes networking
A focused, free open-source choice for complex Pod networking on Linux.
- CNI plugin
—not yet scoredVisit DANM
VMware NSX Container Plugin Alternatives: Common Questions
What is the best alternative to VMware NSX Container Plugin?
Calico Enterprise: #6 in our Container Networking Software ranking, with an editor score of 2.8 out of 10. A broad Kubernetes networking and security suite for enterprises operating complex clusters.
Is there a free alternative to VMware NSX Container Plugin?
Yes. Cilium, Calico Open Source, Antrea, OVN-Kubernetes and Kube-OVN have a free plan or a free tier (12 of the 15 alternatives on this page).
VMware NSX Container Plugin vs Each Alternative
| # | Tool | Free plan | Paid from | CNI plugin | Network policies | Egress control | Multi-cluster networking | Score |
|---|---|---|---|---|---|---|---|---|
| not scored | VMware NSX Container Plugin | — | — | Yes | Yes | Yes | Yes | — |
| not scored | Cilium | — | None | — | — | — | — | — |
| not scored | Calico Open Source | Yes | None | Yes | Yes | Yes | Yes | — |
| not scored | Antrea | — | None | — | — | — | — | — |
| not scored | OVN-Kubernetes | Yes | None | Yes | Yes | Yes | — | — |
| not scored | Kube-OVN | Yes | None | — | — | — | — | — |
| 6 | Calico Enterprise | No | — | — | — | — | — | 2.8 |
| not scored | Isovalent Enterprise for Cilium | — | — | — | — | — | — | — |
| not scored | Amazon VPC CNI | — | None | Yes | Yes | Yes | — | — |
| not scored | Azure CNI | Yes | None | Yes | Yes | Yes | — | — |
| not scored | Kube-router | — | None | Yes | Yes | Yes | — | — |
| not scored | Flannel | Yes | None | Yes | Yes | — | — | — |
| not scored | Spiderpool | — | None | Yes | Yes | Yes | Yes | — |
| not scored | Submariner | Yes | None | No | No | Yes | Yes | — |
| not scored | Aviatrix Kubernetes Firewall | No | — | No | Yes | Yes | Yes | — |
| not scored | DANM | Yes | None | Yes | — | — | — | — |
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026