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Best Microsoft Threat Modeling Tool Alternatives in 2026

Updated

20 apps from threat modeling software ranked against Microsoft Threat Modeling Tool on the same published basis.

  1. 1
    IriusRisk Free plan apiself-hostedWeb Free6.4
    Microsoft Threat Modeling Tool vs IriusRisk
  2. 2
    ThreatModeler Nexus Free plan apiself-hostedWeb $333.33/mo6.4
    Microsoft Threat Modeling Tool vs ThreatModeler Nexus
  3. 3
    ThreatOpus Free plan apiWeb £129.99/mo6.4
    Microsoft Threat Modeling Tool vs ThreatOpus
  4. 4
    ThreatTree Free plan apiWeb $29/mo6.4
    Microsoft Threat Modeling Tool vs ThreatTree
  5. 5
    CAIRIS Free plan apiLinuxMacself-hostedWeb Free6.3
    Microsoft Threat Modeling Tool vs CAIRIS
  6. 6
    OWASP Threat Dragon Free plan LinuxMacself-hostedWebWin Free6.3
    Microsoft Threat Modeling Tool vs OWASP Threat Dragon
  7. 7
    ThreatForge Free plan LinuxMacWebWin Free6.3
    Microsoft Threat Modeling Tool vs ThreatForge
  8. 8
    AWS Threat Composer apiextensionLinuxMacself-hosted 5.9
    Microsoft Threat Modeling Tool vs AWS Threat Composer
  9. 9
    itemis SECURE WebWin 5.8
    Microsoft Threat Modeling Tool vs itemis SECURE
  10. 10
    CYMETRIS apiself-hostedWeb €99/mo5.6
    Microsoft Threat Modeling Tool vs CYMETRIS
  11. 11
    ThreatZ Free trial apiself-hostedWeb $8.33/mo5.6
    Microsoft Threat Modeling Tool vs ThreatZ
  12. 12
    ADTool 5.4
    Microsoft Threat Modeling Tool vs ADTool
  13. 13
    Dethernety Web 5.3
    Microsoft Threat Modeling Tool vs Dethernety
  14. 14
    EnCo SOX ATA 5.3
    Microsoft Threat Modeling Tool vs EnCo SOX ATA
  15. 16
    AutoSec TARA Suite Web 5.2
    Microsoft Threat Modeling Tool vs AutoSec TARA Suite
  16. 17
    KAVACH 5.2
    Microsoft Threat Modeling Tool vs KAVACH
  17. 18
    pytm WinMacLinux 5.2
    Microsoft Threat Modeling Tool vs pytm
  18. 19
    SD Elements apiself-hostedWeb $6,250/mo5.2
    Microsoft Threat Modeling Tool vs SD Elements
  19. 20
    Threagile Web 5.2
    Microsoft Threat Modeling Tool vs Threagile
  20. 21
    DevArmor Web 4.9
    Microsoft Threat Modeling Tool vs DevArmor

Microsoft Threat Modeling Tool alternatives compared

#AppScoreFree planFromRuns on
1IriusRisk6.4Free planFreeAPI, self-hosted, Web
2ThreatModeler Nexus6.4Free plan$333.33/moAPI, self-hosted, Web
3ThreatOpus6.4Free plan£129.99/moAPI, Web
4ThreatTree6.4Free plan$29/moAPI, Web
5CAIRIS6.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6OWASP Threat Dragon6.3Free planFreeLinux, Mac, self-hosted, Web, Windows
7ThreatForge6.3Free planFreeLinux, Mac, Web, Windows
8AWS Threat Composer5.9No—API, Browser, Linux, Mac, self-hosted, Web, Windows
9itemis SECURE5.8No—Web, Windows
10CYMETRIS5.6No€99/moAPI, self-hosted, Web
11ThreatZ5.6No$8.33/moAPI, self-hosted, Web
12ADTool5.4No——
13Dethernety5.3No—Web
14EnCo SOX ATA5.3No——
16AutoSec TARA Suite5.2No—Web
17KAVACH5.2No——
18pytm5.2No—Windows, Mac, Linux
19SD Elements5.2No$6,250/moAPI, self-hosted, Web
20Threagile5.2No—Web
21DevArmor4.9No—Web
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Questions about Microsoft Threat Modeling Tool alternatives

What is the best alternative to Microsoft Threat Modeling Tool?

IriusRisk, number 1 in threat modeling software with a score of 6.4 out of 10. The others here: ThreatModeler Nexus, ThreatOpus, ThreatTree and 16 more.

What is the best free alternative to Microsoft Threat Modeling Tool?

IriusRisk 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.