| Index |
| C. Ferrigno, E. Bozzo and P. von Ballmoos | Foreword |
| List of participants |
| V. Savchenko | Hunting for elusive multi-messenger transients with INTEGRAL |
| T. Godard et al. | The past, present and future of INTEGRAL operations |
| C. Fryer, et al. | Gamma-ray probes of supernova engines |
| P. Jetzer | LISA Science and multi-messenger astronomy |
| S. Karino | Evolution of wind-fed high mass X-ray binaries |
| M. Tarnopolski | Analysis of the duration-hardness ratio plane of gamma-ray bursts with skewed distributions |
| H. Ashkar, et al. | Searches for TeV gamma-ray counterparts to gravitational wave events with H.E.S.S. |
| A. Ursi, et al. | Detection of gamma-ray bursts with the AGILE MCAL |
| P. Meszaros | Gamma-Ray Bursts: theoretical issues and developments |
| D. Frederiks, et al. | GRB observations with Konus-WIND experiment |
| S. Buson | Linking electromagnetic observations to neutrino astrophysics |
| S. Britzen, et al. | Neutrinos from TXS 0506+056 |
| A. Vuorinen, et al. | Constraining the properties of neutron-star matter with observations |
| M. Guainazzi | Chasing X-ray counterparts of gravitational wave events with Athena |
| J. Gelfand, et al. | MeV emission from pulsar wind nebulae |
| R. Iaria, et al. | Broadband spectral analysis of MXB 1659-298 in its soft and hard state |
| A. Filothodoros, et al. | A long term hard X-ray analysis of GRS 1758-258 using INTEGRAL data |
| J. K. Thomas, et al. | MAXI J 1820+070: a new black hole low-mass X-ray binary candidate |
| A. Costantino, et al. | Constructing an IBIS/ISGRI slew survey |
| J. Ness, et al. | Towards a better coordination of multimessenger observations: VO and future developments |
| L. Amati, et al. | The Transient High-Energy Sky and Early Universe Surveyor (THESEUS) |
| M. Falanga, et al. | Magnetic cataclysmic variables discovered in hard X-rays |
| G. Mantovani | HEMERA: new science opportunities using tropospheric and stratospheric balloons |
| V. Tatischeff, et al. | All-Sky-ASTROGAM - The MeV gamma-ray companion to multimessenger astronomy |
| H. Chang, et al. | Concept study of a small Compton polarimeter to fly on a cubesat |
| D. Bernard | Performance of the MeV gamma-ray telescopes and polarimeters of the future |
| G. Ghisellini | Extra-galactic jets: a hard X-ray view |
| E. Prandini | MAGIC extragalactic highlights from a MeV perspective |
| F. Ursini, et al. | High-energy view of hard X-ray selected radio galaxies |
| J. Tomsick | Hard X-ray observations of Galactic sources: the HMXB population and black hole spin |
| V. Grinberg | A short observational view of black hole X-ray binaries |
| I. El Mellah, et al. | Enhanced accretion and wind-captured discs in high mass X-ray binaries |
| F. Cangemi, et al. | Long term spectral study of the black hole Cygnus X-1 using INTEGRAL |
| P. Lubinski, et al. | Characteristic geometries of accretion in Cyg X-1 found with INTEGRAL |
| A. Szelecka, et al. | Spectral states of NGC 4151 observed with INTEGRAL |
| A. Borghese | Magnetars: neutron stars at the extreme |
| A. Papitto | Accretion and rotation-powered pulsars, two distinct classes? |
| G. Israel, et al. | The extragalactic population of neutron stars: the ULX paradigm revolution |
| P. Kretschmar, et al. | Vela X-1 as a laboratory for accretion in high-mass X-ray binaries |
| P. Cumani, et al. | Background model for a gamma-ray satellite on a low-Earth orbit |
| P. Bloser, et al. | The Advanced Scintillator Compton Telescope (ASCOT) |
| A. Morselli, et al. | Instruments optimizations for low energy Gamma-ray detection |
| B. Cordier, et al. | The SVOM mission |
| F. Frontera, et al. | ASTENA, a new mission concept for an Advanced Surveyor of Transient Events and Nuclear Astrophysics |
| E. Virgilli, et al. | The Narrow Field Telescope on board the ASTENA mission |
| N. Lund | New features in JEM-X OSA-11 software |
| P. Laurent, et al. | XGRE: a TGF/GRB detector on the TARANIS spacecraft |
| A. Gros, et al. | Analysis of the IBIS/ISGRI systematic source location offsets |
| S. Schanne, et al. | The SVOM ECLAIRs gamma-ray burst trigger |
| T. Siegert | INTEGRAL contributions to gamma-ray line studies |
| F. Panther | Gamma-ray lines in modern astrophysics |
| A. Malizia, et al. | INTEGRAL view of the extragalactic sky |
| R. Krivonos | Recent results from the INTEGRAL hard X-ray surveys |
| T. Bird | Transients in the INTEGRAL/IBIS surveys |
| A. Strong and W. Collmar | COMPTEL Reloaded: a heritage progect in MeV astronomy |