MoreSec STAC vs SeaSponge: side-by-side comparison (2026)
MoreSec STAC is a commercial threat modeling solution by 默安科技 (MoreSec). SeaSponge is a free threat modeling solution. Features, integrations, deployment and the company behind each one, side by side.
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AI/RAG-based threat modeling tool for requirements and design stages of SDL
SeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.
Side-by-side comparison
Feature
MoreSec STAC
SeaSponge
Pricing model
Commercial
Free
Category
Threat Modeling
Threat Modeling
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
SMB, Mid-Market, Enterprise
Startup, SMB, Mid-Market
Open source
GitHub stars
–
281
Last commit
–
Apr 2018
Company
Company
默安科技 (MoreSec)
–
Use cases and capabilities
Threat Modeling
Yes
Yes
DevSecOps
Yes
No
RAG
Yes
No
Generative AI
Yes
No
Secure Development
Yes
No
Security Architecture
Yes
No
Vulnerability
Yes
No
Documentation
Yes
No
Workflow
Yes
No
Security Compliance Training
Yes
No
Security Reporting
No
Yes
Core features
10 features listed
No features listed
Integrations
1 integration listed
No integrations listed
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