NEWJoin 2M+ software buyers|Get Weekly Insights, Trends & Expert PicksSubscribe free →

Spotsaas logo
Last updated:

Top 8 Free Microsoft Sentinel Alternatives, Compared (2026)

Explore 8 alternatives to Microsoft Sentinel — vetted by our editors with real user reviews, pricing, and feature comparisons.

Microsoft Sentinel alternatives: the 8 best options at a glance

Quick answer

Need a Microsoft Sentinel alternative fast? Consider Splunk Enterprise, Splunk Cloud and SentinelAgent. Splunk Enterprise holds the top SpotScore (9.1) with a 4.38★ rating. The full comparison of all 8 on score, rating, and price is below.

Some teams leave Microsoft Sentinel for the price, others for features or fit. Whatever yours is, these 8 security information and event management (siem) software free alternatives are the picks we'd start with, ranked by SpotScore (real-user satisfaction plus market presence), ratings, and pricing. Editors review each. The table is your quick comparison; the sections below add depth.

ProductSpotScoreRatingPricingBest for
Splunk EnterpriseUnleash the power of your data.9.1★★★★☆ 4.38(303)Freefrom $150/momid-size & enterprise teams
Splunk CloudReal-time insights for optimized IT performance.8.1★★★★☆ 4.44(16)FreeFree Trialteams of all sizes
SentinelAgentSecurely monitor and optimize your Microsoft systems.8.1Not yet ratedFreeFree Trial · Quotation Basedteams of all sizes
SaaS AlertsSecuring SaaS profits with proactive threat detection.7.9Not yet ratedFreeFree Trial · Quotation Basedteams of all sizes
SentinelOne Endpoint Protection PlatformUltimate protection with cutting-edge technology.—★★★★☆ 4.31(24)FreeFree Trial · Quotation Basedteams of all sizes
Splunk App for InfrastructureStreamline your infrastructure monitoring with unified metrics.—★★★★☆ 3.6FreeFree Trial · Quotation Basedteams of all sizes
QualifiedAccelerate sales, maximize your website's potential.—★★★★★ 4.6(25)FreeFree Trial · Quotation Basedteams of all sizes
IBM QRadarDetect threats, protect assets with IBM QRadar.—★★★★☆ 4.32(210)Freefrom $800/momid-size & enterprise teams

9.1

SpotScore

Splunk Enterprise - Data Management Software

Splunk Enterprise

Unleash the power of your data.

Best for: Mid-market · Enterprise

Start Free Trial

4.4

303 verified reviews

Add to compare

What is Splunk Enterprise?

Splunk Enterprise is a data management platform that lets user turn massive amounts of machine data into meaningful information for business. It continuously monitors the IT infrastructure, such as servers, applications, devices and networks, generates machine data from this information, and ...

Read more about Splunk Enterprise
Free Trial·

Splunk Enterprise offers custom pricing plan

8.1

SpotScore

Splunk Cloud - Application Performance Monitoring (APM) Tools

Splunk Cloud

Real-time insights for optimized IT performance.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.4

16 verified reviews

Add to compare

What is Splunk Cloud?

Splunk Cloud is an innovative cloud-based service for optimizing and managing application performance. By delivering real-time data about the performance of applications and IT infrastructure, Splunk Cloud enables user to identify problems and make faster and better business decisions from ...

Read more about Splunk Cloud
Free Trial

Spotsaas Ads

Want your product up here? Put it in front of buyers the moment they're comparing your category.

Reach in-market buyersRank above rivals2M+ buyers a year
Advertise your product

8.1

SpotScore

SentinelAgent - Application Performance Monitoring (APM) Tools

SentinelAgent

Securely monitor and optimize your Microsoft systems.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

watch-demo

Watch Demo

What is SentinelAgent?

SentinelAgent is a cloud-based monitoring system designed for Microsoft products, such as Exchange, Windows Server, Windows, SQLServer, and Dynamics NAV. It securely collects, saves, and reviews event logs, performance metrics (WMI), and computer specs in real-time from any number of Windows ...

Read more about SentinelAgent
Free TrialTry Free →·

SentinelAgent offers custom pricing plan

7.9

SpotScore

SaaS Alerts - Application Performance Monitoring (APM) Tools

SaaS Alerts

Securing SaaS profits with proactive threat detection.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is SaaS Alerts?

SaaS Alerts ensures that MSPs are able to secure and maximize profits from their customers' core SaaS applications. Utilizing machine learning and pattern recognition, this platform provides immediate lock-down protection for calls of possible security risk, so the MSP may take action even ...

Read more about SaaS Alerts
Free Trial·

SaaS Alerts offers custom pricing plan

SentinelOne Endpoint Protection Platform - Endpoint Protection Software

SentinelOne Endpoint Protection Platform

Ultimate protection with cutting-edge technology.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.3

24 verified reviews

Add to compare

What is SentinelOne Endpoint Protection Platform?

SentinelOne Endpoint Protection Platform, provides real-time protection. SentinelOne combines behavioral analysis and machine learning with Antigen technology, to deliver proactive protection and quicker response times than signature-based solutions. Licensed as client software or via a cloud ...

Read more about SentinelOne Endpoint Protection Platform
Free Trial·

SentinelOne Endpoint Protection Platform offers custom pricing plan

Splunk App for Infrastructure - New SaaS Software

Splunk App for Infrastructure

Streamline your infrastructure monitoring with unified metrics.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

3.6

Add to compare

What is Splunk App for Infrastructure?

Splunk App for Infrastructure is a powerful tool designed to streamline monitoring and troubleshooting of IT infrastructures. With its unified metrics and logs correlations it enables sysadmins to quickly identify trends and root causes of server, OS, virtual machine, cloud and container ...

Read more about Splunk App for Infrastructure
Free Trial·

Splunk App for Infrastructure offers custom pricing plan

Qualified - New SaaS Software

Qualified

Accelerate sales, maximize your website's potential.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.6

25 verified reviews

Add to compare

What is Qualified?

Qualified leverages the current website of companies to identify leads and get the best return on investment. This comprehensive developer assessment helps start meaningful sales conversation, convert outbound and digital adverts, and further analyse clues of buying intent. This software helps ...

Read more about Qualified
Free TrialTry Free →·

Qualified offers custom pricing plan

IBM QRadar - New SaaS Software

IBM QRadar

Detect threats, protect assets with IBM QRadar.

Best for: Mid-market · Enterprise

Start Free Trial

4.3

210 verified reviews

Add to compare

What is IBM QRadar?

IBM QRadar is a top-rated Security Information and Event Management software helping organizations detect and eliminate potential damage from network breaches and cyber-attacks. Implementing QRadar, teams can patch essential asset vulnerabilities and investigate suspicious activity quickly and ...

Read more about IBM QRadar
Free TrialTry Free →·

IBM QRadar offers custom pricing plan

Why each option earned its place

Splunk Enterprise9.1Best for mid-size & enterprise teams

Customizable dashboards with analytics across multiple data sources.

Watch for: Configuration is complex and performance degrades if not set up correctly; beginners face a significant learning curve.

Splunk Cloud8.1Best for teams of all sizes

Splunk Cloud offers detailed analytics that help organizations track performance metrics, identify patterns, and anticipate potential issues.

Watch for: While feature-rich, the platform's extensive features may require a learning curve for users unfamiliar with data analysis and application performance monitoring.

SentinelAgent8.1Best for teams of all sizes

SentinelAgent is easy to deploy and use, making it accessible even for organizations without extensive IT expertise.

Watch for: Organizations using non-Microsoft products may not fully benefit from SentinelAgent’s features, as it is optimized for Microsoft-centric environments.

SaaS Alerts7.9Best for teams of all sizes

The platform is user-friendly, allowing MSPs to monitor and manage security threats without complex setups or steep learning curves.

Watch for: Although the platform is user-friendly, initial configuration may require some technical know-how, especially for MSPs new to machine learning-based security solutions.

SentinelOne Endpoint Protection PlatformBest for teams of all sizes

Customer success team provides strong, hands-on support.

Watch for: Troubleshooting network issues becomes difficult when processes are locked down due to suspicious activity flags.

Splunk App for InfrastructureBest for teams of all sizes

Streamlines IT monitoring

Watch for: Complex setup process

QualifiedBest for teams of all sizes

Lead identification

Watch for: Requires website integration

IBM QRadarBest for mid-size & enterprise teams

Reviewers praise its log collection and event correlation for effective threat detection.

Watch for: Several reviewers find it complex and resource-heavy, sometimes hard to analyze logs.

Why teams look for a Microsoft Sentinel alternative

Switching away from Microsoft Sentinel is usually triggered by one or more of these sticking points:

  • Requires cloud infrastructure
  • Can be complex to configure
  • Potentially high costs for large organizations

How to evaluate a Microsoft Sentinel alternative

The hard numbers across these 8 security information and event management (siem) software free alternatives: 8 offer a free tier; paid plans run $150–$800, with Splunk Enterprise the cheapest entry point; and Qualified is the highest rated at 4.6★ across 25 reviews.

How we put this in order.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Microsoft Sentinel are Qualified (4.6★), Splunk Cloud (4.4★), Splunk Enterprise (4.4★). Compare all 8 alternatives side-by-side above.

When evaluating alternatives to Microsoft Sentinel, prioritize: Reporting and Analysis, Compliance Tracking, Data Security, Analytics, Compliance Management, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Microsoft Sentinel is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to land on the right Microsoft Sentinel alternative

  • On a budget / just exploring: start with a free tier — Splunk Enterprise, Splunk Cloud and SentinelAgent let you evaluate without paying upfront.
  • If real-user ratings matter most: Qualified has the strongest star rating (4.6★) among the options with verified reviews.
  • Want the safest pick: Splunk Enterprise has the highest Spotsaas Score (9.1) in this list — a strong default if you're unsure.

Ready to leave Microsoft Sentinel?

Getting off Microsoft Sentinel cleanly comes down to preparation. Export everything, verify the new tool can import it, and check feature parity for your day-to-day work. Run a small pilot first, then migrate fully, keeping Microsoft Sentinel as backup until you're done. Free trials above lower the risk.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].