The product
SeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.
The closest SeaSponge alternatives are TTModeler Pro, Apiiro AI-Powered Risk Detection and Heeler Runtime Threat Modeling. Picking a SeaSponge alternative comes down to fit: Threat Modeling coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
27 alternativesClosest matches: TTModeler Pro, Apiiro AI-Powered Risk Detection, Heeler Runtime Threat ModelingPage updated Nov 2026
The product
SeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.
SeaSponge is a free Threat Modeling solution. The closest matches by shared tags and NIST CSF 2.0 coverage are TTModeler Pro, Apiiro AI-Powered Risk Detection, Heeler Runtime Threat Modeling, GrammaTech ConfINE, and Avertro Threat Modeling and Simulation. All 27 alternatives on this page are ranked the same way.
These 8 solutions overlap most with SeaSponge. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Threat modeling & risk assessment tool for embedded systems and IoT.
Key features: 10 listed. See them on the TTModeler Pro page.
View TTModeler ProTTModeler Pro alternativesSeaSponge vs TTModeler Pro
AI-powered pre-development risk detection for secure-by-design software
Key features: 10 listed. See them on the Apiiro AI-Powered Risk Detection page.
View Apiiro AI-Powered Risk DetectionApiiro AI-Powered Risk Detection alternativesSeaSponge vs Apiiro AI-Powered Risk Detection
AI-powered continuous threat modeling for cloud applications in runtime
Key features: 10 listed. See them on the Heeler Runtime Threat Modeling page.
View Heeler Runtime Threat ModelingHeeler Runtime Threat Modeling alternativesSeaSponge vs Heeler Runtime Threat Modeling
Framework for modeling access control and attack graphs in networked systems
Key features: 10 listed. See them on the GrammaTech ConfINE page.
View GrammaTech ConfINEGrammaTech ConfINE alternativesSeaSponge vs GrammaTech ConfINE
AI-driven threat modeling & simulation platform using MITRE ATT&CK framework
Key features: 10 listed. See them on the Avertro Threat Modeling and Simulation page.
View Avertro Threat Modeling and SimulationAvertro Threat Modeling and Simulation alternativesSeaSponge vs Avertro Threat Modeling and Simulation
Risk-driven cybersecurity DevOps platform for automotive product lifecycle
Key features: 10 listed. See them on the C2A Security Cybersecurity DevOps Platform page.
View C2A Security Cybersecurity DevOps PlatformC2A Security Cybersecurity DevOps Platform alternativesSeaSponge vs C2A Security Cybersecurity DevOps Platform
Structured threat modeling & remediation service for enterprise security risk.
Key features: 8 listed. See them on the FYEO Enterprise Threat Model page.
View FYEO Enterprise Threat ModelFYEO Enterprise Threat Model alternativesSeaSponge vs FYEO Enterprise Threat Model
Automated threat modeling platform integrating security into the SDLC.
Key features: 6 listed. See them on the IriusRisk Threat Modeling Platform page.
View IriusRisk Threat Modeling PlatformIriusRisk Threat Modeling Platform alternativesSeaSponge vs IriusRisk Threat Modeling Platform
AI-powered pre-development risk detection for secure-by-design software
AI-powered continuous threat modeling for cloud applications in runtime
Framework for modeling access control and attack graphs in networked systems
AI-driven threat modeling & simulation platform using MITRE ATT&CK framework
Risk-driven cybersecurity DevOps platform for automotive product lifecycle
Structured threat modeling & remediation service for enterprise security risk.
Automated threat modeling platform integrating security into the SDLC.
Threat modeling platform for identifying & managing software security risk by design.
Auto-generates threat models from IaC files with risk & control mapping.
AI-automated automotive TARA tool for ISO 21434 & UNR 155 compliance.
AI platform automating threat modeling & compliance for connected device makers.
AI-powered threat modeling tool that auto-generates models from text, IaC, or diagrams.
Adds org-specific security guardrails to AI code generation tools for compliance.
Automated continuous threat modeling platform that enforces security at design time.
Automated threat modeling & HIPAA/FDA compliance platform for HealthTech.
Consulting service translating business objectives into threat models & risk scenarios.
AI/RAG-based threat modeling tool for requirements and design stages of SDL
Visual, spec-driven tool for designing secure-by-design apps on Atsign Platform.
Automated security design review platform for developers
AI-driven threat modeling for identifying security risks in design phase
Scans development plans to identify design flaws before implementation.
AI-driven platform for automated security design reviews and risk analysis
AI-powered security architect agent for dev teams via chat interfaces
Common questions when weighing alternatives to SeaSponge.
The closest matches to SeaSponge by shared tags and NIST CSF 2.0 coverage are TTModeler Pro, Apiiro AI-Powered Risk Detection, Heeler Runtime Threat Modeling, GrammaTech ConfINE, and Avertro Threat Modeling and Simulation. All of them are Threat Modeling products.
This page shows 27 alternatives to SeaSponge, all in the Threat Modeling category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
SeaSponge is a free Threat Modeling product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.
SeaSponge is a Threat Modeling product in the Application Security category. You can compare it with the 27 other Threat Modeling products on this page.
No Threat Modeling shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist
