Best Cilium Alternatives in 2026
The top Cilium alternatives are VMware NSX, Cisco Nexus Dashboard Fabric Controller and Cisco Catalyst Center: 15 Software-Defined networking software our editors would look at instead of Cilium, in our ranking order.
Cilium: A focused open-source choice for eBPF-based Kubernetes networking and security. Where it falls short: platform scope centers on linux container environments.
Switching from Cilium? For most software-defined networking software buyers the best Cilium alternative is VMware NSX, built for virtualized and hybrid-cloud networking. OpenStack Neutron has a free plan.
Why People Look for a Cilium Alternative
- Platform scope centers on Linux container environments
- Kubernetes and Docker focus limits broader deployment use
- Hybrid architecture may require careful control-plane planning
Quick Picks by What You Need
- Best overallVMware NSX9.3
Virtualized and hybrid-cloud networking
Visit VMware NSX - Best free optionOpenStack Neutron8.4
Has a free plan
Visit OpenStack Neutron
All 15 Cilium Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forVirtualized and hybrid-cloud networking
- Better than Cilium:
- Editor score 9.3 vs 7.9
A broad hybrid-cloud networking and security platform with contact-sales pricing.
- Policy segmentation
- Northbound API
9.3/10★★★★★Visit VMware NSX -
Best forCisco VXLAN EVPN fabrics
- Better than Cilium:
- Editor score 9.1 vs 7.9
A focused controller for provisioning, automating, and governing VXLAN EVPN fabrics.
- Policy segmentation
- Northbound API
9.1/10★★★★★Visit Cisco NDFC -
Best forCisco enterprise network automation
- Better than Cilium:
- Editor score 9.0 vs 7.9
A broad Cisco network-operations platform for discovery, automation, compliance, and assurance.
9.0/10★★★★☆Visit Cisco -
Best forData-center fabric orchestration
- Better than Cilium:
- Editor score 9.0 vs 7.9
Centralized fabric orchestration for multi-vendor, multi-cloud data-center networks.
- Policy segmentation
- Northbound API
9.0/10★★★★☆Visit Huawei -
Best forNutanix hybrid-cloud networking
- Better than Cilium:
- Editor score 8.8 vs 7.9
A focused choice for centralized hybrid-cloud networking in Nutanix AHV environments.
- Policy segmentation
- Northbound API
8.8/10★★★★☆Visit Nutanix -
Best forHPE data-center fabric management
- Better than Cilium:
- Editor score 8.6 vs 7.9
Centralized fabric orchestration for HPE Aruba Networking data-center environments.
- Policy segmentation
- Northbound API
8.6/10★★★★☆Visit HPE -
Best forOpenStack cloud networking
- Better than Cilium:
- Editor score 8.4 vs 7.9
A broad, modular networking layer for OpenStack deployments.
- Policy segmentation
- Northbound API
8.4/10★★★★☆Visit OpenStack -
Best forAzure virtual-network governance
- Better than Cilium:
- Editor score 8.2 vs 7.9
A centralized Azure control plane for network grouping, policy, routing, and verification.
- Policy segmentation
- Northbound API
8.2/10★★★★☆Visit Microsoft -
Best forOpen-source multivendor SDN control
- Better than Cilium:
- Editor score 8.1 vs 7.9
A broad, open-source SDN controller for teams managing multivendor networks.
8.1/10★★★★☆Visit OpenDaylight -
Best forCloud-native transport orchestration
- Better than Cilium:
- Editor score 8.0 vs 7.9
A broad, API-driven controller for cloud-native transport orchestration.
- Northbound API
8.0/10★★★★☆Visit TeraFlowSDN -
Best forEnterprise Kubernetes security networking
A broad Kubernetes networking and security suite for enterprise cluster operations.
- Policy segmentation
- Northbound API
7.8/10★★★★☆Visit Tigera -
Best forMultivendor service-provider networking
A multivendor platform for discovering, automating, assuring and optimizing service-provider networks.
7.7/10★★★★☆Visit Nokia -
Best forCentralized hybrid network control
Centralized hybrid network control with Kubernetes, Terraform, and EVPN/VXLAN automation.
- Policy segmentation
- Northbound API
7.7/10★★★★☆Visit Netris -
Best forOpen-source Kubernetes networking
A broad open-source CNI for Kubernetes connectivity, security, and observability.
- Policy segmentation
- Northbound API
7.5/10★★★★☆Visit Antrea -
Best forOpen-source Kubernetes and VM networking
A broad, self-managed Kubernetes network stack for teams operating on Linux.
- Policy segmentation
- Northbound API
7.4/10★★★★☆Visit Kube-OVN
Cilium Alternatives: Common Questions
What is the best alternative to Cilium?
VMware NSX: #1 in our Software-Defined Networking Software ranking, with an editor score of 9.3 out of 10. A broad hybrid-cloud networking and security platform with contact-sales pricing.
Is there a free alternative to Cilium?
Yes. OpenStack Neutron, OpenDaylight, TeraFlowSDN, Antrea and Kube-OVN have a free plan or a free tier.
Why do people look for Cilium alternatives?
Platform scope centers on Linux container environments; Kubernetes and Docker focus limits broader deployment use; Hybrid architecture may require careful control-plane planning.
How do I switch from Cilium?
Export your data from Cilium (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Cilium.
How to Switch from Cilium
- Export your data from Cilium (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Cilium.
Cilium vs Each Alternative
| # | Tool | Paid from | Deployment model | Control-plane model | Policy segmentation | Northbound API | Score |
|---|---|---|---|---|---|---|---|
| 11 | Cilium | Free | Hybrid | Hybrid | Yes | Yes | 7.9 |
| 1 | VMware NSX | Hybrid | Hybrid | Yes | Yes | 9.3 | |
| 2 | Cisco Nexus Dashboard Fabric Controller | On-premises | Centralized | Yes | Yes | 9.1 | |
| 3 | Cisco Catalyst Center | Hybrid | 9.0 | ||||
| 4 | Huawei iMaster NCE-Fabric | On-premises | Centralized | Yes | Yes | 9.0 | |
| 5 | Nutanix Flow Virtual Networking | Hybrid | Centralized | Yes | Yes | 8.8 | |
| 6 | HPE Aruba Networking Fabric Composer | On-premises | Centralized | Yes | Yes | 8.6 | |
| 7 | OpenStack Neutron | Free | Hybrid | Hybrid | Yes | Yes | 8.4 |
| 8 | Azure Virtual Network Manager | Cloud | Centralized | Yes | Yes | 8.2 | |
| 9 | OpenDaylight | Free | 8.1 | ||||
| 10 | TeraFlowSDN | Free | On-premises | Yes | 8.0 | ||
| 11 | Calico Enterprise | Hybrid | Centralized | Yes | Yes | 7.8 | |
| 12 | Nokia Network Services Platform | On-premises | 7.7 | ||||
| 13 | Netris | Hybrid | Centralized | Yes | Yes | 7.7 | |
| 14 | Antrea | Free | Hybrid | Centralized | Yes | Yes | 7.5 |
| 15 | Kube-OVN | Free | On-premises | Centralized | Yes | Yes | 7.4 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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