OSSIM (Open Source) Alternatives (January 2026)

OSSIM (Open Source)

Enhance Security with OSSIM | LevelBlue

https://cybersecurity.at.com/products/ossim/

Elevate your security game with OSSIM. The open-source platform that optimizes threat detection, incident response, & compliance management.

3.8/5

33+ reviews

Reviewed on:

G2
1.
Network Security Monitoring | LevelBlue
https://cybersecurity.at
.com/solutions/network-security-monitoring/

Stay vigilant with LevelBlue's Network Security Monitoring. Real-time insights and proactive defense against threats targeting your network.

2.
Wazuh - Open Source XDR. Open Source SIEM.
https://wazu
.com/

Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads.

3.
OSSEC - World's Most Widely Used Host Intrusion Detection System - HIDS
https://www.osse
.net/

OSSEC is a multiplatform, open source and free Host Intrusion Detection System (HIDS). You can tailor OSSEC for your security needs through its extensive configuration options, adding custom alert rules and writing scripts.

4.
SIEM + Endpoint Visibility + XDR For SMB | Blumira
https://www.blumir
.com/

Blumira helps lean IT teams protect their organizations against ransomware and breaches with an open SIEM + XDR platform.

5.
SIEM | Server Monitoring | Compliance Training
https://www.cornerbowlsoftwar
.com/

Maximize your security and uptime with Corner Bowl Software, offering cost-effective SIEM, server monitoring, auditing software and compliance training for IT.

6.
Adlumin Cybersecurity | XDR, MDR, SIEM
https://adlumi
.com/

Elevate your security with Adlumin XDR and MDR. Get continuous threat detection, incident response, and proactive threat hunting, all with full transparency.

7.
Panther | A Cloud SIEM Platform for Modern Security Teams
https://panthe
.com/

Panther alleviates the pain of traditional SIEM with detection-as-code, a robust security data lake, & flexible scalability. Visit our website for a demo or pricing.

8.
SIEM Solutions & Tools | Get Best Enterprise SIEM Software | FortiSIEM
https://www.fortine
.com/products/siem/fortisiem/

FortiSIEM - Fortinet's SIEM solution offers advanced threat protection to organizations. Explore more about Security Information and Event Management (SIEM) Software

9.
InsightIDR | Cloud-Based, Next-Gen SIEM Solution | Rapid7
https://www.rapid
.com/products/insightidr/

Explore InsightIDR - Rapid7's next-gen security information and event management (SIEM) solution for a cloud-first era. Start your free trial today!