Best OSSEC Alternatives in 2026
Updated
20 tools from intrusion detection and prevention software ranked against OSSEC on the same published basis.
- 1OSSEC vs CrowdSec
- 2OSSEC vs Wazuh
- 4OSSEC vs pfSense
- 5OSSEC vs Zscaler Private Access
- 6OSSEC vs WatchGuard FireCloud
- 7OSSEC vs SELKS
- 8OSSEC vs Suricata
- 9OSSEC vs Trellix Data Loss Prevention
- 10OSSEC vs Arista NG Firewall
- 11OSSEC vs Check Point DDoS Protector
- 12OSSEC vs Snort
- 13OSSEC vs IPFire
- 14OSSEC vs OPNsense
- 15OSSEC vs Forcepoint ZTNA
- 16OSSEC vs Palo Alto Networks Panorama
- 17OSSEC vs Radware Alteon
- 18OSSEC vs AhnLab V3 Internet Security
- 19OSSEC vs Securepoint RC1000R G6
- 20OSSEC vs Atomic OSSEC
- 21OSSEC vs Huawei HiSecEngine USG6800G
OSSEC alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | CrowdSec | 7.9 | Free plan | — | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 2 | Wazuh | 7.6 | Free plan | $571/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | pfSense | 7.4 | Free plan | — | Linux, self-hosted, Web |
| 5 | Zscaler Private Access | 7.4 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 6 | WatchGuard FireCloud | 7.3 | No | $8.15/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 7 | SELKS | 7.1 | Free plan | Free | Linux, self-hosted, Web, Windows |
| 8 | Suricata | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 9 | Trellix Data Loss Prevention | 7.0 | No | — | API, Mac, self-hosted, Web, Windows |
| 10 | Arista NG Firewall | 6.9 | Free plan | $22.50/mo | Web |
| 11 | Check Point DDoS Protector | 6.8 | No | — | Linux, self-hosted, Web |
| 12 | Snort | 6.8 | Free plan | $2.50/mo | Linux, self-hosted |
| 13 | IPFire | 6.7 | Free plan | Free | Linux, self-hosted, Web |
| 14 | OPNsense | 6.7 | Free plan | — | API, self-hosted, Web |
| 15 | Forcepoint ZTNA | 6.5 | No | — | Mac, self-hosted, Web, Windows |
| 16 | Palo Alto Networks Panorama | 6.4 | No | — | API, self-hosted, Web |
| 17 | Radware Alteon | 6.4 | No | — | API, Linux, self-hosted, Web |
| 18 | AhnLab V3 Internet Security | 6.3 | No | — | Windows |
| 19 | Securepoint RC1000R G6 | 6.3 | No | — | Web, Windows, iOS, Android |
| 20 | Atomic OSSEC | 6.2 | No | — | Web, Windows, Mac, Linux |
| 21 | Huawei HiSecEngine USG6800G | 6.2 | No | — | Web |
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Questions about OSSEC alternatives
What is the best alternative to OSSEC?
CrowdSec, number 1 in intrusion detection and prevention software with a score of 7.9 out of 10. The others here: Wazuh, pfSense, Zscaler Private Access and 16 more.
What is the best free alternative to OSSEC?
CrowdSec is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.