What is the difference between SeaSponge vs TTModeler Pro?

**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. Core capabilities include Asset identification and system modeling (hardware, software, data flows), Automatic attack scenario and threat detection, Configurable risk assessment methodologies.. Both serve the Threat Modeling market but differ in approach, feature depth, and target audience.

Who makes SeaSponge vs TTModeler Pro?

**SeaSponge** is open-source with 281 GitHub stars. **TTModeler Pro** is developed by emgarde. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Is SeaSponge a good alternative to TTModeler Pro?

SeaSponge and TTModeler Pro serve similar Threat Modeling use cases: both are Threat Modeling tools, both cover Threat Modeling, Security Reporting. Key differences: SeaSponge is Free while TTModeler Pro is Commercial, SeaSponge is open-source. Review the feature comparison above to determine which fits your requirements.

SeaSponge vs TTModeler Pro: Features, Integrations, Reviews (2026) | CybersecTools

SeaSponge vs TTModeler Pro: Side-by-Side Comparison (2026)

Features, pricing, ratings, and pros & cons — compared head-to-head.

SeaSponge is a free threat modeling tool. TTModeler Pro is a commercial threat modeling tool by emgarde. Compare features, ratings, integrations, and community reviews side by side to find the best threat modeling fit for your security stack.

CST Verdict

Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:

SeaSponge

Teams building threat models for the first time or teaching threat modeling to developers should start with SeaSponge; its web-based interface and visual-first design eliminate the friction that kills adoption of desktop tools or spreadsheet-based approaches. The free pricing and 281 GitHub stars signal active maintenance and community use, rare for threat modeling tools that usually languish after launch. Skip this if your team needs deep integration with your existing security tools or collaborative features at enterprise scale; SeaSponge prioritizes simplicity over extensibility.

Data verified May 2026