Best AWS Threat Composer Alternatives in 2026

20 apps from threat modeling software ranked against AWS Threat Composer on the same published basis.

  1. 1AWS Threat Composer vs CAIRIS
  2. 2AWS Threat Composer vs OWASP Threat Dragon
  3. 3AWS Threat Composer vs ThreatForge
  4. 4AWS Threat Composer vs ThreatModeler Nexus
  5. 5AWS Threat Composer vs ThreatOpus
  6. 6AWS Threat Composer vs ThreatTree
  7. 8AWS Threat Composer vs IriusRisk
  8. 9AWS Threat Composer vs itemis SECURE
  9. 10AWS Threat Composer vs KAVACH
  10. 11AWS Threat Composer vs ADTool
  11. 12AWS Threat Composer vs CYMETRIS
  12. 13AWS Threat Composer vs SD Elements
  13. 14AWS Threat Composer vs ThreatZ
  14. 15AWS Threat Composer vs pytm
  15. 16AWS Threat Composer vs Dethernety
  16. 17AWS Threat Composer vs Microsoft Threat Modeling Tool
  17. 18AWS Threat Composer vs AutoSec TARA Suite
  18. 19AWS Threat Composer vs EnCo SOX ATA
  19. 20AWS Threat Composer vs Threagile
  20. 21AWS Threat Composer vs DevArmor

AWS Threat Composer 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
4ThreatModeler Nexus6.8Free plan$333.33/moAPI, self-hosted, Web
5ThreatOpus6.8Free plan£129.99/moAPI, Web
6ThreatTree6.8Free plan$29/moAPI, Web
8IriusRisk6.7Free planFreeAPI, self-hosted, Web
9itemis SECURE6.3No—Web, Windows
10KAVACH6.2No—Windows
11ADTool6.1No——
12CYMETRIS6.0No€99/moAPI, self-hosted, Web
13SD Elements6.0No$6,250/moAPI, self-hosted, Web
14ThreatZ6.0No$8.33/moAPI, self-hosted, Web
15pytm5.8Free planFreeLinux, Mac, Windows
16Dethernety5.6Free planFreeself-hosted, Web
17Microsoft Threat Modeling Tool5.6No—Windows
18AutoSec TARA Suite5.5No—self-hosted, Web
19EnCo SOX ATA5.5No—Web, Windows
20Threagile5.5Free planFreeAPI, Linux, self-hosted, Web
21DevArmor5.2No—Web
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Questions about AWS Threat Composer alternatives

What is the best alternative to AWS Threat Composer?

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

What is the best free alternative to AWS Threat Composer?

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.