Best open-source SIEM tools
Open-source SIEM tools you can self-host and inspect. A neutral list of the open-source SIEM options in our directory, compared on capabilities, deployment, and sources. We do not crown a single winner; tools are listed alphabetically.
What this shortlist looks at
Tools listed here
Elastic Security
Teams wanting open-source flexibility with enterprise SIEM capabilities and no per-GB ingest pricingOpen-source SIEM and security analytics built on the ELK Stack
Open-source SIEM and security analytics built on the ELK Stack
Graylog
Teams needing cost-effective log management with SIEM capabilities and an intuitive user experienceOpen-source log management and SIEM platform with intuitive analytics
Open-source log management and SIEM platform with intuitive analytics
Wazuh
Organizations wanting a free, comprehensive SIEM/XDR platform with strong compliance capabilitiesOpen-source unified XDR and SIEM platform
Open-source unified XDR and SIEM platform