Flannel vs Submariner
| Flannel | Submariner | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, self-hosted, Windows | self-hosted |
| Free plan | Yes | Yes |
| CNI plugin | Yes | No |
| Network policies | Yes | No |
| Encryption in transit | Yes | Yes |
| Supported platforms | Kubernetes, Docker, Linux, Windows | Kubernetes; OpenShift-SDN; Weave; Flannel; Canal; Calico; OVN; AWS; GKE; Azure; GCP; vSphere; OpenStack; x86-64; ARM64 |
| Egress control | — | Yes |
| Multi-cluster networking | — | Yes |
Both are listed in Best Container Networking Software. On Inferse, Flannel scores higher on our published basis.