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 May 2025. | Provider | Project | Stars | Forks | Contributors | | ---- | ---- | ---- | ---- | ---- | | Canal | https://github.com/projectcalico/canal | 719 | 99 | 20 | | Flannel | https://github.com/flannel-io/flannel | 9.1k | 2.9k | 238 | | Calico | https://github.com/projectcalico/calico | 6.4k | 1.4k | 375 | | Weave | https://github.com/weaveworks/weave | 6.6k | 680 | 84 | | Cilium | https://github.com/cilium/cilium | 21.6k | 3.2k | 931 |