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Best SIEM Software in 2026

SIEM software supports security work involving event data, detections, and alerts. Compared on custom detection rules and real-time alerting, the entries also vary in data retention, deployment, and query language. Vigil, Wazuh, and Elastic Security are among the options shown. Check the free ingestion limit and free-plan availability, then compare paid-from pricing for additional cost context. The listed details can help you weigh detection, data handling, and deployment needs when assessing software for your security operations.

  1. 1

    UTMStack

    Free plan Open source APILinuxMac+3

    UTMStack brings log management, threat response, compliance, and additional security modules together. Account for the worker-node requirement when scaling beyond 500 data sources or devices.

    8.6 Free plan · paid from $238.80/mo Visit site
  2. 2

    Vigil

    Free plan Open source APILinuxMac+3

    Vigil combines real-time Sigma detections, searchable event history and structured output in a self-hosted package.

    8.5 Free plan Visit site
  3. 3

    Wazuh

    Free plan Open source APILinuxMac+3

    Wazuh combines security monitoring with response capabilities and integrations for a range of environments.

    8.5 Free plan · paid from $571/mo · 14-day trial Visit site
  4. 4

    Elastic Security

    Free plan APILinuxSelf-hosted+1

    Elastic Security combines threat detection, endpoint and cloud capabilities, and workflow automation, with both free and paid options.

    7.6 Free plan · paid from $0.09 · 14-day trial Visit site
  5. 5

    LogSentinel SIEM

    Free plan APILinuxSelf-hosted+2

    LogSentinel SIEM brings log handling, detection, response, and compliance reporting into one product. Buyers will need to request pricing and confirm which deployment and plan fit their needs.

    7.4 Pricing on request Visit site
  6. 6

    nano SIEM

    Free plan APILinuxMac+3

    nano SIEM combines event search and detection features with several deployment choices, including a self-hosted open-source engine.

    7.3 Free plan · paid from $29/mo Visit site
  7. 7

    Sumo Logic

    by Sumo Logic
    Free plan APILinuxMac+2
    7.0 Free plan · pricing on request · 30-day trial Visit site
  8. 8

    Seceon Open Threat Management

    Free plan Self-hostedWeb

    OTM combines threat detection, response, and compliance reporting, with capabilities for multi-tenant service providers. Buyers should request pricing based on their device and user counts.

    6.8 Free plan · pricing on request Visit site
  9. 9

    Blumira

    Free trial AndroidAPIiPhone+5

    Blumira packages monitoring, detections, and response capabilities into employee-priced editions.

    6.6 From $12/mo · 30-day trial Visit site
  10. 10
    6.3 Free plan · pricing on request · 15-day trial Visit site
  11. 11
    6.3 Free plan · paid from $0.03 · 90-day trial Visit site
  12. 12

    ManageEngine Log360

    Free trial APILinuxSelf-hosted+2

    Choose ManageEngine Log360 if your security team needs SIEM capabilities spanning log analysis, behavior analytics, cloud monitoring, and automated response.

    6.3 From $795 · 30-day trial Visit site
  13. 13

    MaxPatrol SIEM

    Free trial LinuxSelf-hostedWeb+1

    MaxPatrol SIEM combines broad data collection, configurable detection rules, and behavioral anomaly detection for infrastructure monitoring.

    6.3 Pricing on request Visit site
  14. 14
    6.2 From $3/user/mo (annual) · 30-day trial Visit site
  15. 15

    Hunters

    Free trial APIWeb

    Hunters combines managed detections, automated investigation, and response capabilities for security operations.

    6.1 Pricing on request Visit site
  16. 16

    Panther

    Free trial APISelf-hostedWeb

    Panther combines alert investigation, detection engineering, and security log management for SOC teams. Buyers should review its deployment choices and request pricing to assess fit.

    6.0 Pricing on request Visit site
  17. 17

    SolarWinds Security Event Manager

    Free trial Self-hostedWebWindows

    SEM combines centralized logging, detection, response, investigation, and compliance reporting in an on-premise appliance.

    5.8 30-day trial Visit site
  18. 18

    IBM QRadar SIEM

    Paid LinuxSelf-hosted
    5.6 Pricing on request Visit site
  19. 19

    NetWitness Platform

    Paid APILinuxMac+3

    NetWitness combines network, endpoint, log, and response functions for complex organizational environments.

    5.6 Pricing on request Visit site
  20. 20

    Splunk Enterprise

    Free trial Self-hosted
    5.5 Free plan · pricing on request · 60-day trial Visit site
  21. 21

    Securonix Unified Defense SIEM

    Paid APIWeb

    Choose Securonix Unified Defense SIEM if an enterprise security team wants SIEM, behavioral analytics, automation, and threat intelligence in one cloud platform, with broad integrations and…

    5.2 Pricing on request Visit site
  22. 22

    Coralogix SIEM

    Paid Web

    Coralogix SIEM pairs custom detection rules and real-time alerts with three listed query languages. The Usage-based logs plan is $0.42 a month and includes infinite retention.

    4.9 From $0.42 · 14-day trial Visit site
  23. 23
    4.9 Pricing on request Visit site
  24. 24

    Graylog Security

    Paid

    Graylog Security brings triage, detection, alerting, and evidence collection into a paid hybrid product. Its annual cost and query language should be checked against the intended security environment.

    4.7 From $18,000/yr Visit site
  25. 25

    FortiSIEM

    Paid Web
    4.6 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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