Best ThreatOpus Alternatives in 2026
Updated
20 apps from threat modeling software ranked against ThreatOpus on the same published basis.
- 1ThreatOpus vs CAIRIS
- 2ThreatOpus vs IriusRisk
- 3ThreatOpus vs ThreatModeler Nexus
- 5ThreatOpus vs ThreatTree
- 6ThreatOpus vs CYMETRIS
- 7ThreatOpus vs itemis SECURE
- 8ThreatOpus vs AWS Threat Composer
- 9ThreatOpus vs OWASP Threat Dragon
- 10ThreatOpus vs KAVACH
- 11ThreatOpus vs ThreatZ
- 12ThreatOpus vs EnCo SOX ATA
- 13ThreatOpus vs SD Elements
- 14ThreatOpus vs Dethernety
- 15ThreatOpus vs Microsoft Threat Modeling Tool
- 16ThreatOpus vs AutoSec TARA Suite
- 17ThreatOpus vs ADTool
- 18ThreatOpus vs ThreatForge
- 19ThreatOpus vs pytm
- 20ThreatOpus vs Threagile
- 21ThreatOpus vs DevArmor
ThreatOpus alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | CAIRIS | 8.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | IriusRisk | 8.1 | Free plan | Free | API, self-hosted, Web |
| 3 | ThreatModeler Nexus | 8.0 | Free plan | $333.33/mo | API, self-hosted, Web |
| 5 | ThreatTree | 7.1 | Free plan | $29/mo | API, Web |
| 6 | CYMETRIS | 7.0 | No | €99/mo | API, self-hosted, Web |
| 7 | itemis SECURE | 6.7 | No | — | Web, Windows |
| 8 | AWS Threat Composer | 6.7 | No | — | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 9 | OWASP Threat Dragon | 6.7 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 10 | KAVACH | 6.5 | No | — | — |
| 11 | ThreatZ | 6.5 | No | $8.33/mo | API, self-hosted, Web |
| 12 | EnCo SOX ATA | 6.4 | No | — | — |
| 13 | SD Elements | 6.2 | No | — | Web |
| 14 | Dethernety | 5.9 | No | — | Web |
| 15 | Microsoft Threat Modeling Tool | 5.8 | No | — | Windows |
| 16 | AutoSec TARA Suite | 5.5 | No | — | Web |
| 17 | ADTool | 5.5 | No | — | — |
| 18 | ThreatForge | 5.3 | No | — | Web, Windows, Mac, Linux |
| 19 | pytm | 5.2 | No | — | Windows, Mac, Linux |
| 20 | Threagile | 5.1 | No | — | Web |
| 21 | DevArmor | 4.7 | No | — | Web |
Make your app an alternative to ThreatOpus
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about ThreatOpus alternatives
What is the best alternative to ThreatOpus?
CAIRIS, number 1 in threat modeling software with a score of 8.2 out of 10. The others here: IriusRisk, ThreatModeler Nexus, ThreatTree and 16 more.
What is the best free alternative to ThreatOpus?
CAIRIS is the best-ranked alternative with a free plan. 5 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.