SeaSponge is a free threat modeling solution. TTModeler Pro is a commercial threat modeling solution by Emgarde. Features, integrations, deployment and the company behind each one, side by side.
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VisitSeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.
Threat modeling & risk assessment tool for embedded systems and IoT.
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Based on what each listing shows: deployment, company size, price and open source.
SeaSponge fits if you want a cloud product, you are a startup, you need a free product and you want an open-source product.
TTModeler Pro fits if you need both cloud and on-premises options and you are an enterprise.
Common questions when comparing SeaSponge vs TTModeler Pro for threat modeling.
SeaSponge: SeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.
TTModeler Pro: Threat modeling & risk assessment tool for embedded systems and IoT, built by Emgarde.
The table above shows where their features, integrations, deployment and company size fit differ.
SeaSponge is open-source with 281 GitHub stars. TTModeler Pro is made by Emgarde. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. SeaSponge and TTModeler Pro are both Threat Modeling products, and both cover Threat Modeling, Security Reporting. Key differences: SeaSponge is Free while TTModeler Pro is Commercial, 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
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