11 open-source Cybersecurity vendors.

Open-source software for Cybersecurity that you can self-host, with auditable source code — regardless of the developer's headquarters.

• CrowdSecEU sovereign

  French open-source collaborative intrusion prevention system

  France

• Elastic SecurityEU sovereign

  Dutch open-source SIEM and endpoint security powered by Elasticsearch

  Netherlands

• GreenboneEU sovereign

  German vulnerability management.

  Germany

• InmantaSelf-hosted / open source

  Belgian platform for network automation and security configuration management

  Belgium

• MISPSelf-hosted / open source

  EU threat sharing platform; self-host.

  Luxembourg

• NetBirdEU sovereign

  EU WireGuard-based ZTNA/VPN control plane.

  Germany

• OpenCTIEU sovereign

  French threat intelligence platform; self-host.

  France

• PadlocEU sovereign

  German password manager; self-host.

  Germany

• PassboltSelf-hosted / open source

  Luxembourg-based open-source credential manager (AGPL-3.0) by Passbolt SA, aimed at IT and DevOps teams; self-hosted or via Passbolt Cloud with EU hosting

  Luxembourg

• WazuhNon-EU vendor

  Open-source unified XDR and SIEM platform

  United States

• WireGuardSelf-hosted / open source

  VPN protocol; self-host.

  Germany