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Best O3 Security Image Scanner Alternatives in 2026

Updated

20 apps from container image scanning tools ranked against O3 Security Image Scanner on the same published basis.

  1. 1
    Snyk Open Source Free plan apiLinuxMacWebWin $25/mo6.7
    O3 Security Image Scanner vs Snyk Open Source
  2. 2
    Docker Desktop Free plan LinuxMacWebWin $9/mo6.6
    O3 Security Image Scanner vs Docker Desktop
  3. 3
    Mondoo CSPM Free plan apiLinuxMacWebWin Free6.6
    O3 Security Image Scanner vs Mondoo CSPM
  4. 4
    Trivy Free plan LinuxMacself-hostedWin Free6.6
    O3 Security Image Scanner vs Trivy
  5. 5
    Grype Free plan LinuxMacself-hostedWin Free6.5
    O3 Security Image Scanner vs Grype
  6. 6
    Qualys External Attack Surface Management Free trial apiLinuxWeb 6.5
    O3 Security Image Scanner vs Qualys External Attack Surface Management
  7. 7
    RapidFort Free plan Linuxself-hostedWeb Free6.5
    O3 Security Image Scanner vs RapidFort
  8. 8
    Clair Free plan apiLinuxself-hosted Free6.4
    O3 Security Image Scanner vs Clair
  9. 9
    Aqua Container Security Free trial Linuxself-hostedWebWin 5.6
    O3 Security Image Scanner vs Aqua Container Security
  10. 10
    Sysdig Secure apiLinuxMacself-hostedWeb 5.6
    O3 Security Image Scanner vs Sysdig Secure
  11. 11
    FortiCNAPP LinuxWebWin 5.5
    O3 Security Image Scanner vs FortiCNAPP
  12. 12
    SUSE Multi-Linux Manager apiLinuxself-hostedWeb 5.5
    O3 Security Image Scanner vs SUSE Multi-Linux Manager
  13. 14
    Wiz Defend Web 5.4
    O3 Security Image Scanner vs Wiz Defend
  14. 15
    CrowdStrike Falcon Surface Free trial LinuxMacWebWin 5.3
    O3 Security Image Scanner vs CrowdStrike Falcon Surface
  15. 16
    Dagda apiLinuxself-hosted 5.3
    O3 Security Image Scanner vs Dagda
  16. 17
    Sonatype Container Scanner WinLinux 5.3
    O3 Security Image Scanner vs Sonatype Container Scanner
  17. 18
    Alibaba Cloud Container Registry Web 5.2
    O3 Security Image Scanner vs Alibaba Cloud Container Registry
  18. 19
    ZeroPath apiLinuxMacself-hostedWeb $1,000/mo5.2
    O3 Security Image Scanner vs ZeroPath
  19. 20
    Check Point CloudGuard Data Security Web 5.1
    O3 Security Image Scanner vs Check Point CloudGuard Data Security
  20. 21
    Google Artifact Analysis apiLinuxMacWeb 5.1
    O3 Security Image Scanner vs Google Artifact Analysis

O3 Security Image Scanner alternatives compared

#AppScoreFree planFromRuns on
1Snyk Open Source6.7Free plan$25/moAPI, Linux, Mac, Web, Windows
2Docker Desktop6.6Free plan$9/moLinux, Mac, Web, Windows
3Mondoo CSPM6.6Free planFreeAPI, Linux, Mac, Web, Windows
4Trivy6.6Free planFreeLinux, Mac, self-hosted, Windows
5Grype6.5Free planFreeLinux, Mac, self-hosted, Windows
6Qualys External Attack Surface Management6.5No—API, Linux, Web
7RapidFort6.5Free planFreeLinux, self-hosted, Web
8Clair6.4Free planFreeAPI, Linux, self-hosted
9Aqua Container Security5.6No—Linux, self-hosted, Web, Windows
10Sysdig Secure5.6No—API, Linux, Mac, self-hosted, Web, Windows
11FortiCNAPP5.5No—Linux, Web, Windows
12SUSE Multi-Linux Manager5.5No—API, Linux, self-hosted, Web
14Wiz Defend5.4No—Web
15CrowdStrike Falcon Surface5.3No—Linux, Mac, Web, Windows
16Dagda5.3No—API, Linux, self-hosted
17Sonatype Container Scanner5.3No—Windows, Linux
18Alibaba Cloud Container Registry5.2No—Web
19ZeroPath5.2No$1,000/moAPI, Linux, Mac, self-hosted, Web, Windows
20Check Point CloudGuard Data Security5.1No—Web
21Google Artifact Analysis5.1No—API, Linux, Mac, Web
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Questions about O3 Security Image Scanner alternatives

What is the best alternative to O3 Security Image Scanner?

Snyk Open Source, number 1 in container image scanning tools with a score of 6.7 out of 10. The others here: Docker Desktop, Mondoo CSPM, Trivy and 16 more.

What is the best free alternative to O3 Security Image Scanner?

Snyk Open Source is the best-ranked alternative with a free plan. 7 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.