Best OSSEC Alternatives in 2026
Updated
20 apps from intrusion detection and prevention software ranked against OSSEC on the same published basis.
- 1OSSEC vs CrowdSec
- 2OSSEC vs Wazuh
- 4OSSEC vs SELKS
- 5OSSEC vs Suricata
- 6OSSEC vs Arista NG Firewall
- 7OSSEC vs IPFire
- 8OSSEC vs OPNsense
- 9OSSEC vs pfSense
- 10OSSEC vs Snort
- 11OSSEC vs Trellix Data Loss Prevention
- 12OSSEC vs Check Point DDoS Protector
- 13OSSEC vs Zscaler Private Access
- 14OSSEC vs Huawei HiSecEngine USG6800G
- 15OSSEC vs WatchGuard FireCloud
- 16OSSEC vs Hillstone Security Management
- 17OSSEC vs Forcepoint ZTNA
- 18OSSEC vs FortiGuard DNS Filtering Service
- 19OSSEC vs scanlogd
- 20OSSEC vs Stormshield Management Center
- 21OSSEC vs WatchGuard Firebox
OSSEC alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | CrowdSec | 6.6 | Free plan | — | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 2 | Wazuh | 6.6 | Free plan | $571/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | SELKS | 6.5 | Free plan | Free | Linux, self-hosted, Web, Windows |
| 5 | Suricata | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 6 | Arista NG Firewall | 6.4 | Free plan | $22.50/mo | Web |
| 7 | IPFire | 6.4 | Free plan | Free | Linux, self-hosted, Web |
| 8 | OPNsense | 6.4 | Free plan | — | API, self-hosted, Web |
| 9 | pfSense | 6.4 | Free plan | — | Linux, self-hosted, Web |
| 10 | Snort | 6.3 | Free plan | $2.50/mo | Linux, self-hosted |
| 11 | Trellix Data Loss Prevention | 5.6 | No | — | API, Mac, self-hosted, Web, Windows |
| 12 | Check Point DDoS Protector | 5.5 | No | — | Linux, self-hosted, Web |
| 13 | Zscaler Private Access | 5.4 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 14 | Huawei HiSecEngine USG6800G | 5.3 | No | — | Web |
| 15 | WatchGuard FireCloud | 5.3 | No | $8.15/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 16 | Hillstone Security Management | 5.2 | No | — | — |
| 17 | Forcepoint ZTNA | 5.1 | No | — | Mac, self-hosted, Web, Windows |
| 18 | FortiGuard DNS Filtering Service | 5.1 | No | — | — |
| 19 | scanlogd | 5.1 | No | — | Linux |
| 20 | Stormshield Management Center | 5.1 | No | — | Web |
| 21 | WatchGuard Firebox | 5.1 | 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 6.6 out of 10. The others here: Wazuh, SELKS, Suricata 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.