Best SIEM Software in 2026
Updated
In short: Wazuh is ranked #1 of 23 as of 4 October 2026, ahead of Elastic Security and Sumo Logic. The best-ranked option with a free plan is Elastic Security. The lowest first paid tier on this page is Elastic Security at $0.09/mo.
SIEM software brings security event data, detections, and alerts into focus for security operations. Compare custom detection rules and query language with real-time alerting, data retention, and deployment to assess the capabilities listed. Free ingestion limits and free-plan availability offer additional plan details, while the paid-from price provides a cost point of comparison. Wazuh, Elastic Security, and nano SIEM are among the first entries, followed by Sumo Logic and Vigil. The entries are ordered as a ranked best-of list. Consider which detection, data-handling, and deployment requirements are most relevant to your security work.
23 SIEM software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Wazuh Top pick · 7.8 Free plan · $571/mo
#2 Elastic Security Runner-up · 7.7 Free plan · $0.09/mo
#3 Sumo Logic Also great · 7.5 Free plan · Free
- Free planFree trial apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 571 /mo
RecognisedDocumentedFree planFree trialPlatforms$571/mofirst paid tier About WazuhVisit site - Free planFree trial apiLinuxself-hostedWeb
- Free plan
- Yes
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms$0.09/mofirst paid tier About Elastic SecurityVisit site - Free planFree trial Web
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free trial LinuxmacOSWebWindows
- Free plan
- Yes
- Free ingestion limit
- 10 GB/day
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free trial apiLinuxself-hostedWebWindows
- Free plan
- No
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms$20.42/mofirst paid tier About ManageEngine Log360Visit site - Free trial apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 238.8 /mo
RecognisedDocumentedFree planFree trialPlatforms$238.80/mofirst paid tier About UTMStackVisit site - Free trial apiLinuxmacOSWebWindows
- Data retention
- 90 days
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 29 /mo
- Data retention
- 365 days
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms$26/mofirst paid tier About nano SIEMVisit site - Free trial apiWeb
- Free plan
- No
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms$0.16/mofirst paid tier About Coralogix APMVisit site - self-hostedWeb
- Free plan
- Yes
- Data retention
- 365 days
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - apiLinuxself-hostedWeb
- Free plan
- No
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms$1,250/mofirst paid tier About Graylog EnterpriseVisit site - Web
- Free plan
- No
- Paid from
- 12 /mo
- Data retention
- 365 days
- Custom detection rules
- No
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms$12/mofirst paid tier About BlumiraVisit site - Web
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Data retention
- 90 days
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms -
- Custom detection rules
- Yes
RecognisedDocumentedFree planFree trialPlatforms - AndroidapiLinuxself-hostedWebWindows
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- No
- Data retention
- 50 days
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Custom detection rules
- Yes
- Real-time alerting
- Yes
RecognisedDocumentedFree planFree trialPlatforms
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which SIEM software is ranked first on The Geeks Club?
Wazuh is ranked #1 of 23 with a score of 7.8. Elastic Security is second and Sumo Logic third.
How many of these have a free plan?
4 of the 23 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Elastic Security has the lowest first paid tier we found: $0.09/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.