Best ThreatForge Alternatives in 2026

20 platforms from threat modeling software ranked against ThreatForge on the same published basis.

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

ThreatForge alternatives compared

#PlatformScoreFree planFromRuns on
1ThreatModeler Nexus7.3Free plan$333.33/moAPI, self-hosted, Web
2ThreatOpus7.3Free plan£129.99/moAPI, Web
3ThreatTree7.3Free plan$29/moAPI, Web
4CAIRIS7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5IriusRisk7.2Free planFreeAPI, self-hosted, Web
6AWS Threat Composer6.9No—API, Browser, Linux, Mac, self-hosted, Web, Windows
7CYMETRIS6.7No€99/moAPI, self-hosted, Web
8SD Elements6.7No$6,250/moAPI, self-hosted, Web
9ThreatZ6.7No$8.33/moAPI, self-hosted, Web
10OWASP Threat Dragon5.8Free planFreeLinux, Mac, self-hosted, Web, Windows
12ADTool5.5No——
13itemis SECURE5.4No—Web, Windows
14KAVACH5.4No—Windows
15Dethernety5.1Free planFreeself-hosted, Web
16EnCo SOX ATA5.1No——
17Microsoft Threat Modeling Tool5.1No—Windows
18AutoSec TARA Suite5.0No—self-hosted, Web
19pytm5.0Free planFreeLinux, Mac, Windows
20Threagile5.0No—Web
21DevArmor4.8No—Web
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Questions about ThreatForge alternatives

What is the best alternative to ThreatForge?

ThreatModeler Nexus, number 1 in threat modeling software with a score of 7.3 out of 10. The others here: ThreatOpus, ThreatTree, CAIRIS and 16 more.

What is the best free alternative to ThreatForge?

ThreatModeler Nexus is the best-ranked alternative with a free plan. 8 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, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.