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SIEM / UEBA Alternatives

Professional-grade replacements for SIEM / UEBA software. Verified for features, security, and zero cost.

1
Tools Tested
100%
Free or Open Source
Database Updated Dec 2025

Hand-Picked Comparisons

Save $2,000 - $4,000 per month (varies by asset count)

InsightIDR (Rapid7)

A cloud-SIEM famous for its 'User Behavior Analytics' (UEBA) that detects compromised credentials without writing rules. It includes an endpoint agent for detection. While easy to use, the asset-based pricing scales poorly for large fleets, and data retention costs are high.

Top Recommended Replacement
WazuhPRO CHOICE
Replaces the 'Insight Agent' completely; offers File Integrity Monitoring (FIM), Vulnerability Detection, and Active Response (killing malicious processes) for free; feeds data into a beautiful dashboard.

Mastering SIEM / UEBA for Free

Our mission at Best Free Alternatives is to democratize access to high-end digital tools. The software listed above provides professional-grade results without the burden of monthly subscriptions. Whether you are a student, freelancer, or small business owner, these SIEM / UEBA alternatives are production-ready.