The following table summarizes different GitHub metrics to give you an idea of each project's popularity and activity levels. This data was collected in December 2025. | Provider | Project | Stars | Forks | Contributors | | ---- | ---- | ---- | ---- | ---- | | Canal | https://github.com/projectcalico/canal | 720 | 97 | 20 | | Flannel | https://github.com/flannel-io/flannel | 9.4k | 2.9k | 243 | | Calico | https://github.com/projectcalico/calico | 6.9k | 1.5k | 400 | | Weave | https://github.com/weaveworks/weave | 6.6k | 677 | 83 | | Cilium | https://github.com/cilium/cilium | 23.5k | 3.6k | 1022 |