Best Free SIEM Tools in 2025

Popular Free SIEM Tools

Check out our list of free SIEM Tools . Products featured on this list are the ones that offer a free trial version & free versions. As with most free versions, there are limitations, typically time or features. If you’d like to see more products and to evaluate additional feature options, compare all SIEM Tools to ensure you get the right product.

Top 5 Free SIEM Tools in 2025

SolarWinds Security Event Manager
Datadog Cloud SIEM
Sumo Logic Cloud SIEM
Fluency SIEM
DNIF

Best Free SIEM Tools

(Showing 1 - 5 of 5 products)

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SolarWinds Security Event Manager

Brand: SolarWinds

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$2992.00 /Licenses

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Datadog Cloud SIEM

Brand: Datadog

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Datadog Cloud SIEM is a security information and event management (SIEM) platform that unifies developer, operation, and security teams through one platfor... Read More About Datadog Cloud SIEM read review arrow

$5.00 /Month

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Sumo Logic Cloud SIEM

Brand: Sumo Logic

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Sumo Logic Cloud SIEM is a cloud-native security information and event management (SIEM) solution that provides real-time threat detection, data correlatio... Read More About Sumo Logic Cloud SIEM read review arrow

Price On Request

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Fluency SIEM

Brand: Fluency Security

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... Read More About Fluency SIEM

Price On Request

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DNIF

Brand: DNIF

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... Read More About DNIF

$1.68 /Month

Last Updated on : 03 Nov, 2025

SIEM Tools Comparison

SolarWinds Security Event Manager vs Datadog Cloud SIEM

Sumo Logic Cloud SIEM vs Fluency SIEM

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