Repositories list

• k4Bench

  Public
  Performance benchmarking for DD4hep-based simulations and reconstruction in Key4hep

  Python

  •

  MIT License

  •00 forks•22 stars•22 issues•00 pull requests•Updated Sep 6, 2026Sep 6, 2026

• k4geo

  Public
  DD4hep based geometry models for collider detectors

  simulationgeometry

  simulationgeometry

  C++

  •

  GNU General Public License v3.0

  •106106 forks•1717 stars•2626 issues•1313 pull requests•Updated Sep 5, 2026Sep 5, 2026

• key4hep-spack

  Public
  A Spack recipe repository of Key4hep software.

  Python

  •3434 forks•1818 stars•99 issues•33 pull requests•Updated Sep 5, 2026Sep 5, 2026

• EDM4hep

  Public
  Generic event data model for HEP collider experiments

  C++

  •

  Apache License 2.0

  •4848 forks•4040 stars•1818 issues•66 pull requests•Updated Sep 5, 2026Sep 5, 2026

• key4hep-doc

  Public
  Documentation for the Key4HEP Turnkey Software

  Python

  •

  Apache License 2.0

  •1515 forks•00 stars•1313 issues•55 pull requests•Updated Sep 5, 2026Sep 5, 2026

• key4hep-images

  Public
  Container images for key4hep

  Dockerfile

  •11 fork•11 star•00 issues•00 pull requests•Updated Sep 4, 2026Sep 4, 2026

• k4Reco

  Public
  Gaudi algorithms for reconstruction that run natively on key4hep

  C++

  •

  Apache License 2.0

  •2525 forks•22 stars•00 issues•22 pull requests•Updated Sep 4, 2026Sep 4, 2026

• Gaudi

  Public
  Mirror of https://gitlab.cern.ch/gaudi/Gaudi

  C++

  •

  Apache License 2.0

  •77 forks•22 stars•00 issues•00 pull requests•Updated Sep 4, 2026Sep 4, 2026

• key4hep-actions

  Public
  Github actions for CI in the key4hep stack

  CMake

  •11 fork•00 stars•22 issues•33 pull requests•Updated Sep 4, 2026Sep 4, 2026

• k4FWCore

  Public
  Core Components for the Gaudi-based Key4hep Framework

  C++

  •

  Apache License 2.0

  •3434 forks•1414 stars•1414 issues•77 pull requests•Updated Sep 3, 2026Sep 3, 2026

• k4RecTracker

  Public
  Repository hosting tracker related reconstruction code (including vertex detector, outer tracker, tracking...)

  C++

  •

  Apache License 2.0

  •3535 forks•55 stars•22 issues•1010 pull requests•Updated Sep 3, 2026Sep 3, 2026

• k4GaudiPandora

  Public
  C++

  •

  Apache License 2.0

  •1919 forks•22 stars•1010 issues•55 pull requests•Updated Sep 1, 2026Sep 1, 2026

• k4Clue

  Public
  Python

  •

  Apache License 2.0

  •1212 forks•44 stars•33 issues•11 pull request•Updated Sep 1, 2026Sep 1, 2026

• key4hep-julia-fwk

  Public
  Demonstrator for high energy physics event-processing application framework in Julia

  Julia

  •

  Apache License 2.0

  •66 forks•33 stars•33 issues•33 pull requests•Updated Sep 1, 2026Sep 1, 2026

• k4ActsTracking

  Public
  Acts integration in the key4hep framework

  C++

  •

  Apache License 2.0

  •1515 forks•33 stars•44 issues•44 pull requests•Updated Aug 30, 2026Aug 30, 2026

• k4SimDelphes

  Public
  C++

  •

  Apache License 2.0

  •2121 forks•66 stars•2121 issues•33 pull requests•Updated Aug 20, 2026Aug 20, 2026

• .github

  Public
  Default Issue and PR templates

  00 forks•00 stars•00 issues•11 pull request•Updated Aug 13, 2026Aug 13, 2026

• k4SimGeant4

  Public
  Gaudi Components for Geant4 Simulation in the Key4hep software framework.

  C++

  •2727 forks•55 stars•00 issues•22 pull requests•Updated Aug 10, 2026Aug 10, 2026

• k4PFHitML

  Public
  inference of HitPF in k4hep

  C++

  •

  Apache License 2.0

  •22 forks•22 stars•00 issues•00 pull requests•Updated Aug 6, 2026Aug 6, 2026

• DDML

  Public
  Library with utilities and plugins that allow running fast machine learning based calorimeter shower simulation within DDhep.

  C++

  •

  Apache License 2.0

  •55 forks•11 star•33 issues•88 pull requests•Updated Aug 6, 2026Aug 6, 2026

• k4MarlinWrapper

  Public
  GaudifyMarlinProcessors

  Python

  •

  Apache License 2.0

  •1919 forks•33 stars•201201 issues•11 pull request•Updated Aug 5, 2026Aug 5, 2026

• k4EDM4hep2LcioConv

  Public
  EDM4hep <-> LCIO Converter

  C++

  •1111 forks•22 stars•77 issues•00 pull requests•Updated Aug 5, 2026Aug 5, 2026

• k4Gen

  Public
  C++

  •1818 forks•11 star•66 issues•33 pull requests•Updated Aug 5, 2026Aug 5, 2026

• k4MLJetTagger

  Public
  Official Implementation of Jet-Flavor Tagging on CLD full simulation with the ParticleTransformer.

  Jupyter Notebook

  •

  Apache License 2.0

  •55 forks•11 star•33 issues•00 pull requests•Updated Aug 5, 2026Aug 5, 2026

• k4-project-template

  Public template
  Template for Gaudi-based Key4hep projects

  CMake

  •

  Apache License 2.0

  •1212 forks•00 stars•33 issues•00 pull requests•Updated Aug 5, 2026Aug 5, 2026

• k4GeneratorsConfig

  Public
  Python

  •

  Apache License 2.0

  •44 forks•22 stars•1414 issues•11 pull request•Updated Aug 5, 2026Aug 5, 2026

• CLDConfig

  Public
  Python

  •

  Apache License 2.0

  •2121 forks•00 stars•1919 issues•44 pull requests•Updated Aug 5, 2026Aug 5, 2026

• k4DetectorPerformance

  Public
  Repository hosting Gaudi/EDM4hep based code for detector performance

  C++

  •

  Apache License 2.0

  •1212 forks•22 stars•00 issues•33 pull requests•Updated Aug 3, 2026Aug 3, 2026

• key4hep-reco-validation

  Public
  Python

  •99 forks•00 stars•22 issues•55 pull requests•Updated Aug 3, 2026Aug 3, 2026

• key4hep-dev-utils

  Public
  Utilities for development of the key4hep stack

  Python

  •22 forks•00 stars•11 issue•22 pull requests•Updated Aug 2, 2026Aug 2, 2026