Best ThreatModeler Nexus Alternatives in 2026
Updated
20 tools from threat modeling software ranked against ThreatModeler Nexus on the same published basis.
- 1ThreatModeler Nexus vs CAIRIS
- 2ThreatModeler Nexus vs OWASP Threat Dragon
- 3ThreatModeler Nexus vs ThreatOpus
- 4ThreatModeler Nexus vs AWS Threat Composer
- 5ThreatModeler Nexus vs ThreatForge
- 7ThreatModeler Nexus vs ThreatTree
- 8ThreatModeler Nexus vs IriusRisk
- 9ThreatModeler Nexus vs ThreatZ
- 10ThreatModeler Nexus vs itemis SECURE
- 11ThreatModeler Nexus vs KAVACH
- 12ThreatModeler Nexus vs ADTool
- 13ThreatModeler Nexus vs CYMETRIS
- 14ThreatModeler Nexus vs SD Elements
- 15ThreatModeler Nexus vs pytm
- 16ThreatModeler Nexus vs Dethernety
- 17ThreatModeler Nexus vs Microsoft Threat Modeling Tool
- 18ThreatModeler Nexus vs AutoSec TARA Suite
- 19ThreatModeler Nexus vs EnCo SOX ATA
- 20ThreatModeler Nexus vs Threagile
- 21ThreatModeler Nexus vs DevArmor
ThreatModeler Nexus alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | CAIRIS | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | OWASP Threat Dragon | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 3 | ThreatOpus | 7.2 | Free plan | £129.99/mo | API, Web |
| 4 | AWS Threat Composer | 7.1 | No | — | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 5 | ThreatForge | 7.1 | Free plan | Free | Linux, Mac, Web, Windows |
| 7 | ThreatTree | 6.8 | Free plan | $29/mo | API, Web |
| 8 | IriusRisk | 6.7 | Free plan | Free | API, self-hosted, Web |
| 9 | ThreatZ | 6.7 | No | $8.33/mo | API, self-hosted, Web |
| 10 | itemis SECURE | 6.6 | No | — | Web, Windows |
| 11 | KAVACH | 6.5 | No | — | Windows |
| 12 | ADTool | 6.4 | No | — | — |
| 13 | CYMETRIS | 6.3 | No | €99/mo | API, self-hosted, Web |
| 14 | SD Elements | 6.2 | No | $6,250/mo | API, self-hosted, Web |
| 15 | pytm | 6.0 | Free plan | Free | Linux, Mac, Windows |
| 16 | Dethernety | 5.7 | Free plan | Free | self-hosted, Web |
| 17 | Microsoft Threat Modeling Tool | 5.7 | No | — | Windows |
| 18 | AutoSec TARA Suite | 5.6 | No | — | self-hosted, Web |
| 19 | EnCo SOX ATA | 5.6 | No | — | — |
| 20 | Threagile | 5.6 | Free plan | Free | API, Linux, self-hosted, Web |
| 21 | DevArmor | 5.4 | No | — | 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 7.3 out of 10. The others here: OWASP Threat Dragon, ThreatOpus, AWS Threat Composer 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, 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.