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Best O3 Security Image Scanner Alternatives in 2026

Updated

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

  1. 1
    Qualys External Attack Surface Management Free trial apiLinuxWeb 7.4
    O3 Security Image Scanner vs Qualys External Attack Surface Management
  2. 2
    Snyk Open Source Free plan apiLinuxMacWebWin $25/mo7.4
    O3 Security Image Scanner vs Snyk Open Source
  3. 3
    Clair Free plan apiLinuxself-hosted Free7.3
    O3 Security Image Scanner vs Clair
  4. 4
    Mondoo CSPM Free plan apiLinuxMacWebWin Free7.2
    O3 Security Image Scanner vs Mondoo CSPM
  5. 5
    SUSE Multi-Linux Manager apiLinuxself-hostedWeb 6.9
    O3 Security Image Scanner vs SUSE Multi-Linux Manager
  6. 6
    Sysdig Secure apiLinuxMacself-hostedWeb 6.9
    O3 Security Image Scanner vs Sysdig Secure
  7. 7
    Checkmarx API Security apiself-hostedWeb 6.8
    O3 Security Image Scanner vs Checkmarx API Security
  8. 8
    Dagda apiLinuxself-hosted 6.8
    O3 Security Image Scanner vs Dagda
  9. 9
    Uptycs Container Security apiLinuxself-hostedWeb $3/mo6.8
    O3 Security Image Scanner vs Uptycs Container Security
  10. 10
    Amazon Inspector Free trial apiWeb 6.7
    O3 Security Image Scanner vs Amazon Inspector
  11. 11
    Google Artifact Analysis apiLinuxMacWeb 6.7
    O3 Security Image Scanner vs Google Artifact Analysis
  12. 12
    ZeroPath apiLinuxMacself-hostedWeb $1,000/mo6.7
    O3 Security Image Scanner vs ZeroPath
  13. 13
    Trivy Free plan LinuxMacself-hostedWin Free6.0
    O3 Security Image Scanner vs Trivy
  14. 14
    Docker Desktop Free plan LinuxMacWebWin $9/mo5.9
    O3 Security Image Scanner vs Docker Desktop
  15. 15
    Grype Free plan LinuxMacself-hostedWin Free5.9
    O3 Security Image Scanner vs Grype
  16. 16
    RapidFort Free plan Linuxself-hostedWeb Free5.9
    O3 Security Image Scanner vs RapidFort
  17. 17
    Aqua Container Security Free trial Linuxself-hostedWebWin 5.5
    O3 Security Image Scanner vs Aqua Container Security
  18. 18
    FortiCNAPP LinuxWebWin 5.5
    O3 Security Image Scanner vs FortiCNAPP
  19. 20
    Wiz Defend Web 5.5
    O3 Security Image Scanner vs Wiz Defend
  20. 21
    Check Point CloudGuard Data Security Web 5.4
    O3 Security Image Scanner vs Check Point CloudGuard Data Security

O3 Security Image Scanner alternatives compared

#PlatformScoreFree planFromRuns on
1Qualys External Attack Surface Management7.4No—API, Linux, Web
2Snyk Open Source7.4Free plan$25/moAPI, Linux, Mac, Web, Windows
3Clair7.3Free planFreeAPI, Linux, self-hosted
4Mondoo CSPM7.2Free planFreeAPI, Linux, Mac, Web, Windows
5SUSE Multi-Linux Manager6.9No—API, Linux, self-hosted, Web
6Sysdig Secure6.9No—API, Linux, Mac, self-hosted, Web, Windows
7Checkmarx API Security6.8No—API, self-hosted, Web
8Dagda6.8No—API, Linux, self-hosted
9Uptycs Container Security6.8No$3/moAPI, Linux, self-hosted, Web
10Amazon Inspector6.7No—API, Web
11Google Artifact Analysis6.7No—API, Linux, Mac, Web
12ZeroPath6.7No$1,000/moAPI, Linux, Mac, self-hosted, Web, Windows
13Trivy6.0Free planFreeLinux, Mac, self-hosted, Windows
14Docker Desktop5.9Free plan$9/moLinux, Mac, Web, Windows
15Grype5.9Free planFreeLinux, Mac, self-hosted, Windows
16RapidFort5.9Free planFreeLinux, self-hosted, Web
17Aqua Container Security5.5No—Linux, self-hosted, Web, Windows
18FortiCNAPP5.5No—Linux, Web, Windows
20Wiz Defend5.5No—Web
21Check Point CloudGuard Data Security5.4No—Web
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Questions about O3 Security Image Scanner alternatives

What is the best alternative to O3 Security Image Scanner?

Qualys External Attack Surface Management, number 1 in container image scanning tools with a score of 7.4 out of 10. The others here: Snyk Open Source, Clair, Mondoo CSPM 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 on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.