OSSEC Pricing 2026: Plans, Costs & Free Options
Last Updated: May 2026
Open-source host-based intrusion detection system providing log analysis, file integrity monitoring, rootkit detection, and real-time alerting. This page breaks down OSSEC's Free/OSS pricing model, what it includes, and how it compares to free alternatives in the AI-Powered SIEM & Security Ops category.
Pricing Overview
Pricing Model
Free/OSS
This means the tool is free to use and typically open-source — you self-host it, customize it, and pay nothing for the software itself.
Is OSSEC Free?
Yes, OSSEC is completely free and open-source. You can download, use, and modify it without paying any license fees.
Is OSSEC Worth It?
OSSEC is rated 4.1/5 in our AI-Powered SIEM & Security Ops directory and is completely free, which makes it an easy recommendation for any team that can self-host and manage their own deployment. You get full functionality without licensing costs, though you trade vendor support for community forums and documentation. For AI-Powered SIEM & Security Ops workflows, OSSEC delivers strong value, especially for individuals, students, and budget-conscious teams. The main consideration is operational overhead — you own the install, updates, and tuning. If your team has the technical capacity, OSSEC is well worth adopting.
Cheaper Alternatives
If OSSEC's pricing is out of budget, these AI-Powered SIEM & Security Ops tools offer free or freemium options:
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Splunk
Freemium
AI-powered SIEM platform for security monitoring, threat detection, and incident response with machine learning analytics.
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Grafana Security
Freemium
Open-source observability platform with security dashboards, alerting and log analysis capabilities.
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Wazuh
Free/OSS
Free open-source SIEM and XDR platform with threat detection compliance and incident response.
Compare
Frequently Asked Questions
How much does OSSEC cost?
OSSEC uses a Free/OSS pricing model. This means the tool is free to use and typically open-source — you self-host it, customize it, and pay nothing for the software itself. For exact current pricing, visit the OSSEC website directly — vendors update tiers and quotas regularly.
Is there a free version of OSSEC?
Yes, OSSEC is completely free and open-source. You can download, use, and modify it without paying any license fees.
What are cheaper alternatives to OSSEC?
In the AI-Powered SIEM & Security Ops category, the most popular free or freemium alternatives are Splunk, Grafana Security, Wazuh. Each offers a comparable feature set at lower or zero cost — see our /alternatives page for full breakdowns.