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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 7.8
    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
    Docker Desktop Free plan LinuxMacWebWin $9/mo7.3
    O3 Security Image Scanner vs Docker Desktop
  4. 4
    Aqua Container Security Free trial Linuxself-hostedWebWin 7.2
    O3 Security Image Scanner vs Aqua Container Security
  5. 5
    Mondoo CSPM Free plan apiLinuxMacWebWin Free7.2
    O3 Security Image Scanner vs Mondoo CSPM
  6. 6
    Grype Free plan LinuxMacself-hostedWin Free7.1
    O3 Security Image Scanner vs Grype
  7. 7
    RapidFort Free plan Linuxself-hostedWeb Free7.1
    O3 Security Image Scanner vs RapidFort
  8. 8
    Trivy Free plan LinuxMacself-hostedWin Free7.1
    O3 Security Image Scanner vs Trivy
  9. 9
    CrowdStrike Falcon Surface Free trial LinuxMacWebWin 7.0
    O3 Security Image Scanner vs CrowdStrike Falcon Surface
  10. 10
    Clair Free plan apiLinuxself-hosted Free6.7
    O3 Security Image Scanner vs Clair
  11. 11
    Amazon Inspector Free trial apiWeb 6.6
    O3 Security Image Scanner vs Amazon Inspector
  12. 12
    Sysdig Secure apiLinuxMacself-hostedWeb 6.6
    O3 Security Image Scanner vs Sysdig Secure
  13. 13
    FortiCNAPP LinuxWebWin 6.5
    O3 Security Image Scanner vs FortiCNAPP
  14. 14
    SUSE Multi-Linux Manager apiLinuxself-hostedWeb 6.5
    O3 Security Image Scanner vs SUSE Multi-Linux Manager
  15. 15
    Wiz Defend Web 6.4
    O3 Security Image Scanner vs Wiz Defend
  16. 17
    Uptycs Container Security apiLinuxself-hostedWeb $3/mo6.3
    O3 Security Image Scanner vs Uptycs Container Security
  17. 18
    ZeroPath apiLinuxMacself-hostedWeb $1,000/mo6.3
    O3 Security Image Scanner vs ZeroPath
  18. 19
    Check Point CloudGuard Data Security Web 6.2
    O3 Security Image Scanner vs Check Point CloudGuard Data Security
  19. 20
    Dagda apiLinuxself-hosted 6.2
    O3 Security Image Scanner vs Dagda
  20. 21
    Google Artifact Analysis apiLinuxMacWeb 6.2
    O3 Security Image Scanner vs Google Artifact Analysis

O3 Security Image Scanner alternatives compared

#PlatformScoreFree planFromRuns on
1Qualys External Attack Surface Management7.8No—API, Linux, Web
2Snyk Open Source7.4Free plan$25/moAPI, Linux, Mac, Web, Windows
3Docker Desktop7.3Free plan$9/moLinux, Mac, Web, Windows
4Aqua Container Security7.2No—Linux, self-hosted, Web, Windows
5Mondoo CSPM7.2Free planFreeAPI, Linux, Mac, Web, Windows
6Grype7.1Free planFreeLinux, Mac, self-hosted, Windows
7RapidFort7.1Free planFreeLinux, self-hosted, Web
8Trivy7.1Free planFreeLinux, Mac, self-hosted, Windows
9CrowdStrike Falcon Surface7.0No—Linux, Mac, Web, Windows
10Clair6.7Free planFreeAPI, Linux, self-hosted
11Amazon Inspector6.6No—API, Web
12Sysdig Secure6.6No—API, Linux, Mac, self-hosted, Web, Windows
13FortiCNAPP6.5No—Linux, Web, Windows
14SUSE Multi-Linux Manager6.5No—API, Linux, self-hosted, Web
15Wiz Defend6.4No—Web
17Uptycs Container Security6.3No$3/moAPI, Linux, self-hosted, Web
18ZeroPath6.3No$1,000/moAPI, Linux, Mac, self-hosted, Web, Windows
19Check Point CloudGuard Data Security6.2No—Web
20Dagda6.2No—API, Linux, self-hosted
21Google Artifact Analysis6.2No—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?

Qualys External Attack Surface Management, number 1 in container image scanning tools with a score of 7.8 out of 10. The others here: Snyk Open Source, Docker Desktop, Aqua Container Security 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 how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.