Best OWASP Threat Dragon Alternatives in 2026
Updated
20 platforms from threat modeling software ranked against OWASP Threat Dragon on the same published basis.
- 1OWASP Threat Dragon vs ThreatModeler Nexus
- 2OWASP Threat Dragon vs ThreatOpus
- 3OWASP Threat Dragon vs ThreatTree
- 4OWASP Threat Dragon vs CAIRIS
- 5OWASP Threat Dragon vs IriusRisk
- 6OWASP Threat Dragon vs Threagile
- 7OWASP Threat Dragon vs AWS Threat Composer
- 8OWASP Threat Dragon vs CYMETRIS
- 9OWASP Threat Dragon vs SD Elements
- 10OWASP Threat Dragon vs ThreatZ
- 11OWASP Threat Dragon vs Dethernety
- 13OWASP Threat Dragon vs pytm
- 14OWASP Threat Dragon vs ThreatForge
- 15OWASP Threat Dragon vs ADTool
- 16OWASP Threat Dragon vs EnCo SOX ATA
- 17OWASP Threat Dragon vs AutoSec TARA Suite
- 18OWASP Threat Dragon vs itemis SECURE
- 19OWASP Threat Dragon vs KAVACH
- 20OWASP Threat Dragon vs TSpec
- 21OWASP Threat Dragon vs Microsoft Threat Modeling Tool
OWASP Threat Dragon alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ThreatModeler Nexus | 7.3 | Free plan | $333.33/mo | API, self-hosted, Web |
| 2 | ThreatOpus | 7.3 | Free plan | £129.99/mo | API, Web |
| 3 | ThreatTree | 7.3 | Free plan | $29/mo | API, Web |
| 4 | CAIRIS | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | IriusRisk | 7.2 | Free plan | Free | API, self-hosted, Web |
| 6 | Threagile | 7.2 | Free plan | Free | API, Linux, self-hosted, Web |
| 7 | AWS Threat Composer | 6.9 | No | — | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 8 | CYMETRIS | 6.7 | No | €99/mo | API, self-hosted, Web |
| 9 | SD Elements | 6.7 | No | $6,250/mo | API, self-hosted, Web |
| 10 | ThreatZ | 6.7 | No | $8.33/mo | API, self-hosted, Web |
| 11 | Dethernety | 5.8 | Free plan | Free | self-hosted, Web |
| 13 | pytm | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 14 | ThreatForge | 5.8 | Free plan | Free | Linux, Mac, Web, Windows |
| 15 | ADTool | 5.5 | No | — | — |
| 16 | EnCo SOX ATA | 5.5 | No | — | Web, Windows |
| 17 | AutoSec TARA Suite | 5.4 | No | — | self-hosted, Web |
| 18 | itemis SECURE | 5.4 | No | — | Web, Windows |
| 19 | KAVACH | 5.4 | No | — | Windows |
| 20 | TSpec | 5.4 | No | — | — |
| 21 | Microsoft Threat Modeling Tool | 5.1 | No | — | Windows |
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Questions about OWASP Threat Dragon alternatives
What is the best alternative to OWASP Threat Dragon?
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 OWASP Threat Dragon?
ThreatModeler Nexus 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, 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.