Best OWASP Threat Dragon Alternatives in 2026

20 tools from threat modeling software ranked against OWASP Threat Dragon on the same published basis.

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

OWASP Threat Dragon alternatives compared

#ToolScoreFree planFromRuns on
1CAIRIS7.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3ThreatOpus7.2Free plan£129.99/moAPI, Web
4AWS Threat Composer7.1API, Browser, Linux, Mac, self-hosted, Web, Windows
5Dethernety7.1Free planFreeself-hosted, Web
6pytm7.1Free planFreeLinux, Mac, Windows
7ThreatForge7.1Free planFreeLinux, Mac, Web, Windows
8Threagile6.9Free planFreeAPI, Linux, self-hosted, Web
9ThreatModeler Nexus6.9Free plan$333.33/moAPI, self-hosted, Web
10ThreatTree6.8Free plan$29/moAPI, Web
11EnCo SOX ATA6.7Web, Windows
12IriusRisk6.7Free planFreeAPI, self-hosted, Web
13ThreatZ6.7No$8.33/moAPI, self-hosted, Web
14itemis SECURE6.6Web, Windows
15KAVACH6.5Windows
16ADTool6.4
17AutoSec TARA Suite6.4self-hosted, Web
18CYMETRIS6.3No€99/moAPI, self-hosted, Web
19SD Elements6.2No$6,250/moAPI, self-hosted, Web
20DevArmor6.1API, Browser, self-hosted, Web
21TSpec6.0
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Questions about OWASP Threat Dragon alternatives

What is the best alternative to OWASP Threat Dragon?

CAIRIS, number 1 in threat modeling software with a score of 7.3 out of 10. The others here: ThreatOpus, AWS Threat Composer, Dethernety and 16 more.

What is the best free alternative to OWASP Threat Dragon?

CAIRIS is the best-ranked alternative with a free plan. 9 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.