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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
    CAIRIS Free plan apiLinuxMacself-hostedWeb Free7.1
    Microsoft Threat Modeling Tool vs CAIRIS
  2. 2
    OWASP Threat Dragon Free plan LinuxMacself-hostedWebWin Free7.1
    Microsoft Threat Modeling Tool vs OWASP Threat Dragon
  3. 3
    ThreatForge Free plan LinuxMacWebWin Free7.0
    Microsoft Threat Modeling Tool vs ThreatForge
  4. 4
    pytm Free plan LinuxMacWin Free6.9
    Microsoft Threat Modeling Tool vs pytm
  5. 5
    Threagile Free plan apiLinuxself-hostedWeb Free6.8
    Microsoft Threat Modeling Tool vs Threagile
  6. 6
    ThreatModeler Nexus Free plan apiself-hostedWeb $333.33/mo6.8
    Microsoft Threat Modeling Tool vs ThreatModeler Nexus
  7. 7
    ThreatOpus Free plan apiWeb £129.99/mo6.8
    Microsoft Threat Modeling Tool vs ThreatOpus
  8. 8
    ThreatTree Free plan apiWeb $29/mo6.8
    Microsoft Threat Modeling Tool vs ThreatTree
  9. 9
    AWS Threat Composer apiextensionLinuxMacself-hosted 6.7
    Microsoft Threat Modeling Tool vs AWS Threat Composer
  10. 10
    Dethernety Free plan self-hostedWeb Free6.7
    Microsoft Threat Modeling Tool vs Dethernety
  11. 11
    IriusRisk Free plan apiself-hostedWeb Free6.7
    Microsoft Threat Modeling Tool vs IriusRisk
  12. 12
    EnCo SOX ATA WebWin 6.4
    Microsoft Threat Modeling Tool vs EnCo SOX ATA
  13. 13
    itemis SECURE WebWin 6.3
    Microsoft Threat Modeling Tool vs itemis SECURE
  14. 14
    KAVACH Win 6.2
    Microsoft Threat Modeling Tool vs KAVACH
  15. 15
    ADTool 6.1
    Microsoft Threat Modeling Tool vs ADTool
  16. 16
    AutoSec TARA Suite self-hostedWeb 6.1
    Microsoft Threat Modeling Tool vs AutoSec TARA Suite
  17. 17
    CYMETRIS apiself-hostedWeb €99/mo6.0
    Microsoft Threat Modeling Tool vs CYMETRIS
  18. 18
    SD Elements apiself-hostedWeb $6,250/mo6.0
    Microsoft Threat Modeling Tool vs SD Elements
  19. 19
    ThreatZ Free trial apiself-hostedWeb $8.33/mo6.0
    Microsoft Threat Modeling Tool vs ThreatZ
  20. 20
    TSpec 5.9
    Microsoft Threat Modeling Tool vs TSpec

Microsoft Threat Modeling Tool alternatives compared

#AppScoreFree planFromRuns on
1CAIRIS7.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2OWASP Threat Dragon7.1Free planFreeLinux, Mac, self-hosted, Web, Windows
3ThreatForge7.0Free planFreeLinux, Mac, Web, Windows
4pytm6.9Free planFreeLinux, Mac, Windows
5Threagile6.8Free planFreeAPI, Linux, self-hosted, Web
6ThreatModeler Nexus6.8Free plan$333.33/moAPI, self-hosted, Web
7ThreatOpus6.8Free plan£129.99/moAPI, Web
8ThreatTree6.8Free plan$29/moAPI, Web
9AWS Threat Composer6.7No—API, Browser, Linux, Mac, self-hosted, Web, Windows
10Dethernety6.7Free planFreeself-hosted, Web
11IriusRisk6.7Free planFreeAPI, self-hosted, Web
12EnCo SOX ATA6.4No—Web, Windows
13itemis SECURE6.3No—Web, Windows
14KAVACH6.2No—Windows
15ADTool6.1No——
16AutoSec TARA Suite6.1No—self-hosted, Web
17CYMETRIS6.0No€99/moAPI, self-hosted, Web
18SD Elements6.0No$6,250/moAPI, self-hosted, Web
19ThreatZ6.0No$8.33/moAPI, self-hosted, Web
20TSpec5.9No——
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Questions about Microsoft Threat Modeling Tool alternatives

What is the best alternative to Microsoft Threat Modeling Tool?

CAIRIS, number 1 in threat modeling software with a score of 7.1 out of 10. The others here: OWASP Threat Dragon, ThreatForge, pytm and 16 more.

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

CAIRIS is the best-ranked alternative with a free plan. 10 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: documentation depth, a free tier and the platforms it runs on.