Head-to-head · Container Networking Software
Calico Open Source vs Kube-OVN
Calico Open Source leads on 0 checks, Kube-OVN on 0, and 6 are 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
- Highest scoreCalico Open Source · 9.2/10
- Free planboth
- Most featuresCalico Open Source · 5 of 5
Calico Open Source scores higher on our rubric for container networking software: 9.2 against 8.6 out of 10; our editors rank them #2 and #5.
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 9.2/10 Visit ↗ | Kube-OVN 8.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.6 |
| 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 | Free plan | Free plan |
| 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 checked yet |
| Network policies | ✓ (best) | Not checked yet |
| Egress control | ✓ (best) | Not checked yet |
| Multi-cluster networking | ✓ (best) | Not checked yet |
| Encryption in transit | ✓ (best) | Not checked yet |
| Specs | ||
| Supported platforms | Kubernetes, Linux, Windows, OpenStack, virtual machines, bare metal | Not checked yet |
| Our review | ||
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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 Source9.2/10 · Free plan
A free, broad Kubernetes networking stack with policy, encryption, and multi-cluster support.
Visit CalicoFull verdict → - Kube-OVN8.6/10 · 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 Oct 2026
Last updated · How we research and update