IriusRisk Threat Modeling Platform is a commercial threat modeling solution by IriusRisk. SeaSponge is a free threat modeling solution. Features, integrations, deployment and the company behind each one, side by side.
Automated threat modeling platform integrating security into the SDLC.
SeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
IriusRisk Threat Modeling Platform fits if you are an enterprise.
SeaSponge fits if you are a startup, you need a free product and you want an open-source product.
Common questions when comparing IriusRisk Threat Modeling Platform vs SeaSponge for threat modeling.
IriusRisk Threat Modeling Platform: Automated threat modeling platform integrating security into the SDLC, built by IriusRisk.
SeaSponge: SeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.
The table above shows where their features, integrations, deployment and company size fit differ.
IriusRisk Threat Modeling Platform is made by IriusRisk. SeaSponge is open-source with 281 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. IriusRisk Threat Modeling Platform and SeaSponge are both Threat Modeling products, and both cover Threat Modeling. Key differences: IriusRisk Threat Modeling Platform is Commercial while SeaSponge is Free, SeaSponge is open-source. Use the table above to see where features, deployment and company size fit differ.
No Threat Modeling shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist