Best ThreatModeler Nexus Alternatives in 2026

20 apps from threat modeling software ranked against ThreatModeler Nexus on the same published basis.

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

ThreatModeler Nexus 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
5ThreatOpus6.8Free plan£129.99/moAPI, Web
6ThreatTree6.8Free plan$29/moAPI, Web
7AWS Threat Composer6.7No—API, Browser, Linux, Mac, self-hosted, Web, Windows
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 ThreatModeler Nexus alternatives

What is the best alternative to ThreatModeler Nexus?

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

What is the best free alternative to ThreatModeler Nexus?

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: documentation depth, a free tier and the platforms it runs on.