Heeler Runtime Threat Modeling is a commercial threat modeling solution by Heeler. SeaSponge is a free threat modeling solution. Features, integrations, deployment and the company behind each one, side by side.
AI-powered continuous threat modeling for cloud applications in runtime
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.
Heeler Runtime Threat Modeling 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 Heeler Runtime Threat Modeling vs SeaSponge for threat modeling.
Heeler Runtime Threat Modeling: AI-powered continuous threat modeling for cloud applications in runtime, built by Heeler.
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.
Heeler Runtime Threat Modeling is made by Heeler. 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. Heeler Runtime Threat Modeling and SeaSponge are both Threat Modeling products, and both cover Threat Modeling. Key differences: Heeler Runtime Threat Modeling 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
