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Best OSSEC Alternatives in 2026

12 apps from intrusion detection and prevention software ranked against OSSEC on the same published basis.

  1. 1
    CrowdSec Free plan apiextensionLinuxMacself-hosted 7.3
    OSSEC vs CrowdSec
  2. 2
    Wazuh Free plan apiLinuxMacself-hostedWeb $571/mo7.1
    OSSEC vs Wazuh
  3. 4
    Suricata Free plan LinuxMacWin Free7.0
    OSSEC vs Suricata
  4. 5
    pfSense Free plan Linuxself-hostedWeb 6.9
    OSSEC vs pfSense
  5. 6
    SELKS Free plan Linuxself-hostedWebWin Free6.9
    OSSEC vs SELKS
  6. 7
    Zscaler Private Access AndroidiOSLinuxMacWeb 6.9
    OSSEC vs Zscaler Private Access
  7. 8
    Arista NG Firewall Free plan Web $22.50/mo6.8
    OSSEC vs Arista NG Firewall
  8. 9
    IPFire Free plan Linuxself-hostedWeb Free6.8
    OSSEC vs IPFire
  9. 10
    OPNsense Free plan apiself-hostedWeb 6.8
    OSSEC vs OPNsense
  10. 11
    Snort Free plan Linuxself-hosted $2.50/mo6.7
    OSSEC vs Snort
  11. 12
    Trellix Data Loss Prevention apiMacself-hostedWebWin 6.5
    OSSEC vs Trellix Data Loss Prevention
  12. 13
    WatchGuard FireCloud Free trial AndroidapiiOSMacself-hosted $8.15/mo6.5
    OSSEC vs WatchGuard FireCloud
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