Repositories list

• cilium

  Public
  eBPF-based Networking, Security, and Observability

  kubernetessecuritynetworking+ 13

  kubernetessecuritynetworkingmonitoringkernelcontainerscncfk8sebpfxdp+ 6

  Go

  •

  Apache License 2.0

  •3.8k3.8k forks•24k24k stars•813813 issues•176176 pull requests•Updated May 21, 2026May 21, 2026

• statedb

  Public
  In-memory state database for Go

  Go

  •

  Apache License 2.0

  •33 forks•9494 stars•33 issues•55 pull requests•Updated May 21, 2026May 21, 2026

• tetragon

  Public
  eBPF-based Security Observability and Runtime Enforcement

  kubernetessecuritykernel+ 2

  kubernetessecuritykernelebpfbpf

  C

  •

  Apache License 2.0

  •546546 forks•4.7k4.7k stars•119119 issues•130130 pull requests•Updated May 21, 2026May 21, 2026

• ztunnel

  Public
  Mutual TLS proxy for workload communication

  Rust

  •

  Apache License 2.0

  •167167 forks•44 stars•00 issues•33 pull requests•Updated May 20, 2026May 20, 2026

• little-vm-helper

  Public
  tool for building and running VMs for development and testing

  Go

  •

  Apache License 2.0

  •2727 forks•118118 stars•1111 issues•22 pull requests•Updated May 20, 2026May 20, 2026

• cilium-cli

  Public
  CLI to install, manage & troubleshoot Kubernetes clusters running Cilium

  kubernetessecuritynetworking+ 3

  kubernetessecuritynetworkingebpfobservabilitycilium

  Makefile

  •

  Apache License 2.0

  •223223 forks•567567 stars•22 issues•11 pull request•Updated May 20, 2026May 20, 2026

• ariane

  Public
  GitHub App for triggering Cilium CI workflows

  Go

  •

  Apache License 2.0

  •55 forks•77 stars•11 issue•11 pull request•Updated May 20, 2026May 20, 2026

• hubble-ui

  Public
  Observability & Troubleshooting for Kubernetes Services

  kubernetessecurityui+ 6

  kubernetessecurityuireactjsgraphicalebpftroubleshootingobservabilitycilium

  TypeScript

  •

  Apache License 2.0

  •8484 forks•512512 stars•5252 issues•1313 pull requests•Updated May 20, 2026May 20, 2026

• proxy

  Public
  Envoy with Cilium filters

  ebpfcilium

  ebpfcilium

  C++

  •

  Apache License 2.0

  •9393 forks•185185 stars•1515 issues•1111 pull requests•Updated May 20, 2026May 20, 2026

• hubble

  Public
  Hubble - Network, Service & Security Observability for Kubernetes using eBPF

  kubernetessecuritynetworking+ 5

  kubernetessecuritynetworkingmetricstracingebpfobservabilitycilium

  Makefile

  •

  Apache License 2.0

  •282282 forks•4.2k4.2k stars•4747 issues•00 pull requests•Updated May 20, 2026May 20, 2026

• little-vm-helper-images

  Public
  Dockerfile

  •1616 forks•2323 stars•66 issues•88 pull requests•Updated May 20, 2026May 20, 2026

• json-mock

  Public
  Simple container image for json-server to mock REST/JSON APIs

  Makefile

  •

  Apache License 2.0

  •2020 forks•1616 stars•00 issues•22 pull requests•Updated May 19, 2026May 19, 2026

• ebpf

  Public
  ebpf-go is a pure-Go library to read, modify and load eBPF programs and attach them to various hooks in the Linux kernel.

  golinuxgolang+ 2

  golinuxgolangebpfbtf

  Go

  •

  MIT License

  •866866 forks•7.8k7.8k stars•1919 issues•1010 pull requests•Updated May 19, 2026May 19, 2026

• stackwhere

  Public
  A tool for exploring where BPF stack usage comes from

  Go

  •

  Apache License 2.0

  •00 forks•3737 stars•11 issue•00 pull requests•Updated May 19, 2026May 19, 2026

• design-cfps

  Public
  Repo to store Cilium CFP design docs

  Apache License 2.0

  •5050 forks•4343 stars•44 issues•1919 pull requests•Updated May 19, 2026May 19, 2026

• alpine-curl

  Public
  Container image for curl client

  Makefile

  •55 forks•77 stars•00 issues•00 pull requests•Updated May 19, 2026May 19, 2026

• controller-tools

  Public
  Tools to use with the controller-runtime libraries

  Go

  •

  Apache License 2.0

  •477477 forks•11 star•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• pwru

  Public
  Packet, where are you? -- eBPF-based Linux kernel networking debugger

  linuxkernelnetwork+ 3

  linuxkernelnetworktracingebpfbpf

  C

  •

  Apache License 2.0

  •225225 forks•3.8k3.8k stars•2929 issues•33 pull requests•Updated May 18, 2026May 18, 2026

• certgen

  Public
  A convenience tool to generate and store certificates for Hubble Relay mTLS

  Go

  •

  Apache License 2.0

  •1515 forks•2727 stars•11 issue•00 pull requests•Updated May 18, 2026May 18, 2026

• scaffolding

  Public
  Set of tools and resources for automating performance tests.

  Jupyter Notebook

  •

  Apache License 2.0

  •88 forks•1414 stars•1414 issues•11 pull request•Updated May 18, 2026May 18, 2026

• fake

  Public
  A Go library to generate random data for testing and/or performance evaluation

  Go

  •

  Apache License 2.0

  •66 forks•2323 stars•44 issues•22 pull requests•Updated May 18, 2026May 18, 2026

• cilium.io

  Public
  Cilium project website

  JavaScript

  •

  Apache License 2.0

  •146146 forks•6666 stars•44 issues•11 pull request•Updated May 16, 2026May 16, 2026

• community

  Public
  Here you can find community content around Cilium

  Shell

  •

  Apache License 2.0

  •104104 forks•2121 stars•55 issues•00 pull requests•Updated May 13, 2026May 13, 2026

• charts

  Public
  Helm charts repository for the Cilium project

  kubernetessecurityhelm+ 3

  kubernetessecurityhelmcnibpfkubernetes-networking

  Shell

  •2525 forks•7979 stars•00 issues•00 pull requests•Updated May 13, 2026May 13, 2026

• linux

  Public
  Just local BPF wip branches for upstream

  C

  •

  Other

  •62k62k forks•88 stars•00 issues•00 pull requests•Updated May 12, 2026May 12, 2026

• linters

  Public
  Go

  •

  Apache License 2.0

  •00 forks•22 stars•00 issues•00 pull requests•Updated May 12, 2026May 12, 2026

• workerpool

  Public
  Run tasks concurrently with limits

  Go

  •

  Apache License 2.0

  •66 forks•3434 stars•22 issues•00 pull requests•Updated May 11, 2026May 11, 2026

• scale-tests-action

  Public
  Repository that hosts the GitHub action to run scale tests

  55 forks•22 stars•33 issues•11 pull request•Updated May 8, 2026May 8, 2026

• release

  Public
  Repository used to generate release notes for Cilium releases

  Go

  •

  Apache License 2.0

  •77 forks•77 stars•77 issues•00 pull requests•Updated May 4, 2026May 4, 2026

• image-tools

  Public
  Dockerfiles for cilium-runtime and cilium-builder dependencies

  Shell

  •

  Other

  •3333 forks•2525 stars•1111 issues•22 pull requests•Updated May 1, 2026May 1, 2026