# SeaSponge vs TTModeler Pro: side-by-side comparison (2026)

[SeaSponge](https://cybersectools.com/tools/seasponge) is a free [threat modeling](https://cybersectools.com/categories/threat-modeling) solution. [TTModeler Pro](https://cybersectools.com/tools/ttmodeler-pro) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [Emgarde](https://cybersectools.com/companies/emgarde). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | SeaSponge | TTModeler Pro |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Threat Modeling | Threat Modeling |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Startup, SMB, Mid-Market | SMB, Mid-Market, Enterprise |
| GitHub stars | 281 | – |
| Last commit | Apr 2018 | – |
| Company | – | Emgarde |
| Headquarters | – | – |

### Use cases and capabilities

| | SeaSponge | TTModeler Pro |
|---|---|---|
| Security Reporting | Yes | Yes |
| Threat Modeling | Yes | Yes |
| IoT Security | – | Yes |
| Threat Analysis | – | Yes |
| Security Compliance Training | – | Yes |
| CVE | – | Yes |
| MITRE ATT&CK | – | Yes |
| Visualization | – | Yes |
| Firmware Analysis | – | Yes |

### Core features

**SeaSponge**

No features listed.

**TTModeler Pro**

10 features listed. Sign in on the page to see them.

### Integrations

**SeaSponge**

No integrations listed.

**TTModeler Pro**

4 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [SeaSponge](https://cybersectools.com/tools/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](https://cybersectools.com/tools/ttmodeler-pro) fits if you need both cloud and on-premises options and you are an enterprise.

## SeaSponge vs TTModeler Pro FAQ

Common questions when comparing SeaSponge vs TTModeler Pro for threat modeling.

### What is the difference between SeaSponge and 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.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes SeaSponge and TTModeler Pro?

**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.

### Is SeaSponge a good alternative to TTModeler Pro?

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.

## Related comparisons

- [SeaSponge vs ArgusEye](https://cybersectools.com/compare/arguseye-vs-seasponge)
- [SeaSponge vs FYEO Enterprise Threat Model](https://cybersectools.com/compare/fyeo-enterprise-threat-model-vs-seasponge)
- [SeaSponge vs GrammaTech ConfINE](https://cybersectools.com/compare/grammatech-confine-vs-seasponge)
- [TTModeler Pro vs ArgusEye](https://cybersectools.com/compare/arguseye-vs-ttmodeler-pro)
- [TTModeler Pro vs FYEO Enterprise Threat Model](https://cybersectools.com/compare/fyeo-enterprise-threat-model-vs-ttmodeler-pro)
- [TTModeler Pro vs GrammaTech ConfINE](https://cybersectools.com/compare/grammatech-confine-vs-ttmodeler-pro)

## Alternatives to each

- [See all SeaSponge alternatives](https://cybersectools.com/alternatives/seasponge)
- [See all TTModeler Pro alternatives](https://cybersectools.com/alternatives/ttmodeler-pro)

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Source: https://cybersectools.com/compare/seasponge-vs-ttmodeler-pro

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/seasponge.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on SeaSponge and TTModeler Pro: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md