Side by side
ThreatZ vs TSpec
Both stand on threat modeling software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial APISelf-hostedWeb
ThreatZ combines automotive threat modeling, evidence management, and compliance outputs for vehicle programs. Review its plan details and deployment requirements, particularly the trial approval and regional deployment conditions.
Visit ThreatZ Free plan
Pick TSpec if you develop TypeScript applications on Node.js and want a free framework with assertions, mocks, and watch mode. Look elsewhere if you need a published package now, since current use requires building from source and publication is still forthcoming.
Visit TSpecThe facts
| ThreatZ | TSpec | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | Not published |
| Lowest paid plan | Enterprise: $100 a year | Not published |
| Plans published | 3 | None |
| Maker | Not published | Not published |
| Website | threatz.io | github.com |
| On threat modeling software | #17 of 23 | #13 of 23 |
ThreatZ: what it does well
- Connects TARA, SBOMs, incidents, and compliance evidence.
- Supports STRIDE TARA and AI-assisted scenarios.
- Generates work products for three named standards.
- Enterprise supports air-gapped deployment.
- Free four-week trial with sample vehicle data.
What to know first
- No free plan.
- Team plan is limited to three projects.
- Professional and Enterprise trials require approval.
- GB 44495 support requires PRC-region deployment.
TSpec: what it does well
- Native TypeScript support with zero-configuration basic use.
- Includes synchronous and async Promise assertions.
- Mock package supports functions, spies, and method replacement.
- Watch mode can select tests affected by changed files.
- Documents process exit codes for CI/CD workflows.
What to know first
- Requires Node.js 20 or later.
- Current use requires building from source.
- Package publication is described as coming soon.
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