Best OWASP Threat Dragon Alternatives in 2026

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

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

OWASP Threat Dragon alternatives compared

#PlatformScoreFree planFromRuns on
1ThreatOpus7.6Free plan£129.99/moAPI, Web
2Dethernety7.5Free planFreeself-hosted, Web
3CAIRIS7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5pytm7.0Free planFreeLinux, Mac, Windows
6ThreatModeler Nexus7.0Free plan$333.33/moAPI, self-hosted, Web
7Threagile6.9Free planFreeAPI, Linux, self-hosted, Web
8ThreatForge6.9Free planFreeLinux, Mac, Web, Windows
9AWS Threat Composer6.7API, Browser, Linux, Mac, self-hosted, Web, Windows
10IriusRisk6.7Free planFreeAPI, self-hosted, Web
11ThreatTree6.7Free plan$29/moAPI, Web
12ThreatZ6.6No$8.33/moAPI, self-hosted, Web
13EnCo SOX ATA6.5Web, Windows
14ADTool6.3
15itemis SECURE6.3Web, Windows
16AutoSec TARA Suite6.2self-hosted, Web
17KAVACH6.2Windows
18CYMETRIS6.0No€99/moAPI, self-hosted, Web
19DevArmor5.9API, Browser, self-hosted, Web
20SD Elements5.8No$6,250/moAPI, self-hosted, Web
21TSpec5.8
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Questions about OWASP Threat Dragon alternatives

What is the best alternative to OWASP Threat Dragon?

ThreatOpus, number 1 in threat modeling software with a score of 7.6 out of 10. The others here: Dethernety, CAIRIS, pytm and 16 more.

What is the best free alternative to OWASP Threat Dragon?

ThreatOpus 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 how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.