Head-to-head · Container Networking Software
Calico Open Source vs Kube-OVN
Calico Open Source leads on 5 checks, Kube-OVN on 0, and 1 is even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Free planboth
- Most featuresCalico Open Source · 5 of 5
Our editors rank Calico Open Source at #2 and Kube-OVN at #5 for container networking software; Calico Open Source and Kube-OVN have no rubric score yet (facts researched, not yet scored), so the checks below decide.
Calico Open Source offers cni plugin; Kube-OVN doesn't publish it. Calico Open Source offers network policies; Kube-OVN doesn't publish it. Calico Open Source offers egress control; Kube-OVN doesn't publish it. Calico Open Source offers multi-cluster networking; Kube-OVN doesn't publish it. Calico Open Source offers encryption in transit; Kube-OVN doesn't publish it.
Calico Open Source is the better fit for free, full-featured Kubernetes networking. Kube-OVN is the better fit for multi-tenant Kubernetes and VM networking.
- Calico Open Source fits best
Free, full-featured Kubernetes networking
- Kube-OVN fits best
Multi-tenant Kubernetes and VM networking
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Side by side
| Feature | Calico Open Source —/10 Visit ↗ | Kube-OVN —/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | — | — |
| Ranking | #2 in Container Networking Software | #5 in Container Networking Software |
| Best for | Free, full-featured Kubernetes networking | Multi-tenant Kubernetes and VM networking |
| Pricing model | Free | Free |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Self-hosted | Self-hosted |
| Platforms | Linux, Windows | Linux |
| Support | Community, Docs | Community, Docs |
| Integrations | 4 integrations | 6 integrations |
| Built for | Small business, Mid-market, Enterprise | Mid-market, Enterprise |
| Features Calico Open Source 5/5 · Kube-OVN 0/5 | ||
| CNI plugin | ✓ (best) | Not published |
| Network policies | ✓ (best) | Not published |
| Egress control | ✓ (best) | Not published |
| Multi-cluster networking | ✓ (best) | Not published |
| Encryption in transit | ✓ (best) | Not published |
| Specs | ||
| Supported platforms | Kubernetes, Linux, Windows, OpenStack, virtual machines, bare metal | Not published |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Calico Open Source is an open-source container networking and security platform maintained by Tigera. It is designed for teams running Kubernetes or other CNI-compatible orchestrators that need networking, policy enforcement, encryption,… Read the review → |
Kube-OVN is an open-source cloud-native networking system for Kubernetes clusters. It uses OVN and Open vSwitch to provide CNI networking, namespaced subnet management, IP allocation, security policies, gateways, and traffic control. The… Read the review → |
Strengths and trade-offs
Calico Open Source — where it wins
- Free and open source with CNI networking and policy enforcement
- Supports eBPF, nftables, iptables, Windows, and VPP data planes
- Adds WireGuard, cluster mesh, and Whisker traffic observability
Where it doesn't
- Its breadth may exceed the needs of simpler Kubernetes deployments
- Requires self-hosted operation across supported infrastructure
- Advanced capabilities can add architectural and operational complexity
Kube-OVN — where it wins
- Supports overlay, underlay, VLAN, VPC, NAT, and load balancing
- Adds policy enforcement, QoS, traffic mirroring, and BGP routing
- Provides KubeVirt networking and live migration support
Where it doesn't
- Deployment is limited to Linux and self-hosted environments
- Requires teams to operate the Kubernetes networking components themselves
- Its broad feature set may exceed the needs of simple cluster networking
- Calico Open Source—/10 · Free plan
A free, broad Kubernetes networking stack with policy, encryption, and multi-cluster support.
Visit CalicoFull verdict → - Kube-OVN—/10 · Free plan
A broad self-hosted CNI for multi-tenant Kubernetes and KubeVirt networking.
Visit Kube-OVNFull verdict →
More comparisons
- Cilium vs Calico Open Source
- Cilium vs Kube-OVN
- Calico Open Source vs Antrea
- Calico Open Source vs OVN-Kubernetes
- Calico Open Source vs Calico Enterprise
- Calico Open Source vs Isovalent Enterprise for Cilium
- Calico Open Source vs Amazon VPC CNI
- Antrea vs Kube-OVN
All container networking software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026