Cilium vs Tigera Calico Enterprise: Side-by-Side Comparison (2026)

Cilium: Cilium is a networking, observability, and security solution with an eBPF-based dataplane..

Tigera Calico Enterprise: Kubernetes security platform for network policy, compliance & observability. built by Tigera. Core capabilities include Network policy management for Kubernetes, Microsegmentation for container environments, Multi-cluster policy management..

Both serve the Microsegmentation market but differ in approach, feature depth, and target audience.

Cilium is open-source with 23,959 GitHub stars. Tigera Calico Enterprise is developed by Tigera. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Cilium and Tigera Calico Enterprise serve similar Microsegmentation use cases: both are Microsegmentation tools, both cover Observability. Key differences: Cilium is Free while Tigera Calico Enterprise is Commercial, Cilium is open-source. Review the feature comparison above to determine which fits your requirements.