No. 9 of 26 ·Container Networking Software

Spiderpool

Linux · Self-hosted · API

Freedom report

Two barsScore 6.3

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Spiderpool is ranked #9 of 26 in container networking software on Freedom251. It runs on API, Linux, Self-hosted. There is a free plan.

Spiderpool plans and pricing

All plans

Free (Apache License 2.0) Free Open source project; Kubernetes networking solution spidernet-io.github.io · 4 Oct 2026

Compared on container networking software

CNI plugin: Yes
Network policies: Yes
Egress control: Yes
Multi-cluster networking: Yes
Encryption in transit: Yes
Supported platforms: Kubernetes; bare metal; virtual machines; public clouds; AMD64; ARM64

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The record

Purpose: Spiderpool is an underlay and RDMA networking solution for Kubernetes on bare metal, virtual machines, and public clouds.
IP address management: Its CRD-based IPAM supports dual-stack networking, shared and exclusive pools, and static IP addresses for stateful applications.
CNI support: Spiderpool works with Macvlan, IPvlan, and SR-IOV, and its IPAM can also be used with compatible CNIs such as Calico and Weave.
Multiple interfaces: Pods can use multiple underlay interfaces or a combination of underlay and overlay interfaces, with policy routing managed across interfaces.
Connectivity: The project documents Pod-to-host connectivity, IP conflict detection, gateway reachability checks, and service access through kube-proxy or an eBPF-based replacement.
RDMA: Spiderpool supports RDMA using RoCE and InfiniBand, with devices available to Pods in shared or exclusive mode.
Use cases: The project identifies storage, middleware, observability, AI training, latency-sensitive workloads, and applications needing separate network bandwidth as use cases.
Deployment requirements: Documented node architectures are x86-64 and arm64; the SpiderSubnet feature requires Kubernetes v1.21 or later.
Security and license: Spiderpool is licensed under Apache License 2.0.
Project status: The project describes itself as a Cloud Native Computing Foundation sandbox project.
Support: The project lists CNCF Slack, a monthly community meeting, maintainer email, and a WeChat group as community contact options.
Feature maturity: The roadmap marks IPAM and multiple NIC and routing coordination as beta, while RDMA and multi-cluster networking are alpha for macvlan, ipvlan, and SR-IOV.
Price from: Free

Where it ranks on Freedom251

Best Container Networking Software in 2026#9 of 26

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Sources

spidernet-io.github.io/spiderpool/v1.2/· checked 4 Oct 2026
spidernet-io.github.io/spiderpool/v1.2/usage/install/system-re· checked 4 Oct 2026