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Cilium vs Consul

The same facts for both, read from GitHub every night, and the relation a person reviewed.

CiliumConsul
LanguageGoGo
LicenceApache-2.0Other
Stars26k30k
Latestv1.20.2v2.0.4
Last push2026-10-062026-10-06
Release cadenceabout 1 day between releasesabout 30 days between releases
Active contributors96+ commit authors on the default branch in the last 90 days18 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Istio. Alternatives to Istio →

    PartialCiliumeBPF networking with a sidecar-free mesh; fewer traffic management features than Istio.

    Full replacementConsulService discovery and a mesh that also spans virtual machines outside Kubernetes.