Software Category

Best Free SIEM Software

The software encompasses applications and programs that enable businesses to operate securely and efficiently. In today’s digital landscape, safeguarding data and monitoring system activities are essential for protecting against cyber threats. Our free SIEM software category offers a curated selection of the best free SIEM platforms, available at no cost. Whether you’re searching for a robust free SIEM system, versatile free SIEM tools, or comprehensive free SIEM solutions, you’ll find options tailored to your organization’s unique security needs. These free tools help businesses collect, analyze, and correlate security event data in real time, enabling proactive threat detection and response. By implementing top-tier free SIEM software, organizations can enhance their security posture, ensure compliance with industry regulations, and mitigate cyber risks. Explore our free SIEM software category today to discover the ideal solutions that will strengthen your cybersecurity infrastructure. Protect your business effectively with our expertly selected free SIEM tools and platforms.

Note: Most of the products listed in this free SIEM Software category offer free trial versions, though they have restrictions like time limits, fixed number of users, or limited features. For more options and features, compare and evaluate all-time SIEM Software to find the best fit for you.
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★★★★★4.7 average rating from 61 reviews
Last Updated: September 27, 2026
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Popular Picks in SIEM Software

Complete Product Directory

List of Top Free SIEM Software

Review each product’s overview, then open available tabs for buyer fit, use cases, features, integrations, pros and cons, and pricing.

Best Free SIEM Software Products

Overview is available for every product. Additional tabs appear only when matching profile information exists.

25 products shown
#1

Secure your IT infrastructure with a cloud SIEM solution

No approved reviews yet. Be the first to review

Overview

ManageEngine Log360 Cloud is a Security Information and Event Management (SIEM) software that helps organizations monitor, detect, and respond to security threats in real-time. The platform collects and analyzes logs from various systems, providing a centralized view of network a...

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Free TrialNA Starting PriceContact Vendor HeadquartersUnited States
#2

IBM Security QRadar

🏆 SW Recommended

Embrace AI for lasting advantage

★★★★☆ 4.8 (2 Reviews)

Overview

IBM Security QRadar is a leading Security Information and Event Management (SIEM) software that provides comprehensive threat detection and security intelligence for enterprise environments. QRadar collects and analyzes log data from various sources across the network, including...

Read more about IBM Security QRadar  
Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#3

Datadog

🏆 SW Recommended

Modern Application Performance Monitoring (APM)

★★★★☆ 4.8 (2 Reviews)

Overview

Datadog is a robust cloud-based monitoring and analytics platform designed to help businesses gain valuable insights into their digital infrastructure. It provides a comprehensive view of applications, servers, databases, and more for allowing users to monitor performance in real...

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Free Trial14 Days Starting Price$15 Per month HeadquartersUnited States
#4

Sematext Cloud

🏆 SW Recommended

Cloud monitoring solutions for smarter and faster DevOps

★★★★☆ 4.8 (2 Reviews)

Overview

Sematext is a unified monitoring and observability platform that helps teams monitor application performance, infrastructure health, logs, and user experience from a single dashboard. Instead of stitching together separate tools for metrics, logs, and traces, Sematext Cloud deliv...

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Free Trial14 Days Starting Price$5 Per month HeadquartersUnited States
#5

Google Cloud

🏆 SW Recommended

All the tools you need to streamline your cloud.

★★★★☆ 4.7 (50 Reviews)

Overview

Google Cloud offers a suite of powerful cloud computing services designed to help businesses innovate and scale. Its scalable infrastructure provides reliable storage and computing power for applications of any size. With advanced machine learning capabilities, businesses can ext...

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Free TrialNA Starting PriceContact Vendor HeadquartersUnited States
#6

JumpCloud

🏆 SW Recommended

The Cross-OS Device, Identity, and Access Management Security Platform

★★★★☆ 4.5 (2 Reviews)

Overview

JumpCloud is a dynamic identity and access management software designed to streamline and secure user access across various systems and applications. It stands out with its Directory-as-a-Service feature, which centralizes and simplifies user management, regardless of location or...

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Free Trial30 Days Starting Price$11 Per month HeadquartersUnited States
#7

Lookout

🏆 SW Recommended

Secure the Human Layer. Contain the Mobile Threat.

★★★★☆ 4.5 (1 Reviews)

Overview

Lookout is an advanced cybersecurity software solution designed to protect mobile devices and sensitive data from evolving cyber threats. This platform offers comprehensive security features, including malware detection, data encryption, and secure browsing, ensuring users can op...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#8

Logz.io

🏆 SW Recommended

Application Performance Monitoring (APM)

★★★★☆ 4.0 (2 Reviews)

Overview

Logz.io is a cloud-based observability and security analytics platform that helps teams monitor, analyze, and troubleshoot infrastructure and application performance using open-source technologies like Elasticsearch, Logstash, and Kibana. It ingests logs, metrics, and traces into...

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Free Trial14 Days Starting Price$0.92 Per day HeadquartersUnited States

Overview

USM Anywhere is an advanced network security software designed to provide organizations with comprehensive threat detection and response capabilities. This platform offers a unified approach to security management, integrating essential features such as security information and e...

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Free TrialAvailable Starting Price$1075 Per month HeadquartersUnited States

Overview

AlienVault OSSIM (Open Source Security Information and Event Management) is a powerful SIEM software designed to help businesses detect, monitor, and respond to security threats in real time. The software combines multiple security technologies into a unified platform, offering c...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#11

Elastic — The Search AI Company

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Overview

Elastic Stack is a comprehensive log management software designed to help businesses collect, analyze, and visualize log data from various sources in real time. The platform enables users to centralize logs from servers, applications, and network devices, providing full visibilit...

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Free TrialAvailable Starting Price$16 Per feautre HeadquartersUnited States
#12

InsightIDR

🏆 SW Recommended

InsightIDR

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Overview

InsightIDR is a comprehensive network monitoring software designed to provide organizations with realtime visibility into their network security. It combines powerful detection capabilities with advanced analytics to help security teams identify threats, prioritize incidents, and...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#13

Bring IT all together.

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Overview

Security Event Manager is a robust risk management software designed to help organizations identify, assess, and mitigate security threats effectively. It offers a comprehensive platform for monitoring security events, analyzing vulnerabilities, and managing risk assessments with...

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Free TrialAvailable Starting Price$5093 Per feautre HeadquartersUnited States
#14

ManageEngine Log360

🏆 SW Recommended

ManageEngine Log360, a unified SIEM solution for your SOCs.

No approved reviews yet. Be the first to review

Overview

ManageEngine Log360 is a comprehensive network monitoring and security information and event management (SIEM) solution designed to help organizations detect, respond to, and mitigate security threats in real time. The software aggregates logs from various network devices, server...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#15

Simplify Microsoft 365 governance, administration, and security

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Overview

M365 Manager Plus is a comprehensive IT management software designed to streamline and optimize the administration of Microsoft 365 environments for businesses of all sizes. The platform offers a wide range of tools for managing user accounts, licenses, permissions, and security...

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Free TrialAvailable Starting Price$345 Per feautre HeadquartersUnited States

Overview

Heimdal Threat-Hunting & Action Center is a sophisticated Security Information and Event Management (SIEM) solution that allows businesses to detect, investigate, and respond to security incidents in real time. This software leverages advanced threat-hunting capabilities, machine...

Read more about Heimdal Threat-hunting & Action Center  
Free TrialAvailable Starting PriceContact Vendor HeadquartersDenmark
#17

Sumo Logic

🏆 SW Recommended

Cloud Log Management, Monitoring, SIEM Tools

No approved reviews yet. Be the first to review

Overview

Sumo Logic is a robust cloud-based platform specializing in log management and analytics. The platform offers businesses a comprehensive solution for deriving valuable insights from their data. As an advanced log analysis tool, Sumo Logic allows users to monitor, analyze, and vis...

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Free Trial30 Days Starting PriceContact Vendor HeadquartersUnited States
#18
No approved reviews yet. Be the first to review

Overview

UTMStack is a compliance software solution designed to help organizations manage regulatory compliance and risk management effectively. The platform provides tools for tracking compliance requirements, conducting audits, and managing documentation, ensuring that businesses adhere...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States

Overview

Devo Platform is an advanced log management software that enables businesses to collect, store, and analyze large volumes of log data in real-time. Designed for IT teams and security professionals, Devo provides a unified platform for monitoring, investigating, and visualizing lo...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#20

We Detect what Others Miss Zero-Day Attacks|

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Overview

MixMode is a cutting-edge cybersecurity software designed to protect businesses from evolving online threats. Using advanced machine learning algorithms, MixMode analyzes network traffic in real-time to detect and respond to potential security breaches. The software automatically...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#21
No approved reviews yet. Be the first to review

Overview

Reveelium is an advanced artificial intelligence software designed to enhance business intelligence and data analytics for organizations. This platform provides comprehensive tools for data processing, predictive analytics, and machine learning, ensuring effective data-driven dec...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersFrance
#22

Cost effective data engine for security and compliance

No approved reviews yet. Be the first to review

Overview

Snare is a powerful Security Information and Event Management (SIEM) software that helps organizations detect, analyze, and respond to security threats in realtime. The software collects and aggregates security event logs from various sources, including network devices, servers,...

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Free TrialAvailable Starting PriceContact Vendor HeadquartersAustralia

Overview

ALog Series is a powerful log management software designed to help businesses collect, analyze, and manage log data efficiently. This robust platform enables organizations to gain valuable insights from their logs, enhancing security, compliance, and operational efficiency. With...

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Free TrialAvailable Starting Price$4322 Per year HeadquartersJapan

Overview

The Threat Detection Marketplace is a cloud security software solution designed to help organizations proactively identify and mitigate potential cybersecurity threats. By leveraging advanced machine learning algorithms and real-time threat intelligence feeds, the software contin...

Read more about Threat Detection Marketplace  
Free TrialNA Starting PriceContact Vendor HeadquartersUnited States
#25

Blumira

🏆 SW Recommended

Comprehensive Cybersecurity, Simplified for Your Team

No approved reviews yet. Be the first to review

Overview

Blumira is a powerful SIEM (Security Information and Event Management) software designed to help organizations detect, respond to, and manage security threats in real time. It provides a comprehensive solution for monitoring and protecting critical IT infrastructures by collectin...

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Free TrialAvailable Starting Price$12 Per month HeadquartersUnited States

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