Tech riderRev. 7 Oct 2026
  1. 1Runs onLinux, Mac, Web, Windows
  2. 2CostsFree plan
  3. 3Templates and frameworksYes
  4. 4Modeling methodsstride
  5. 5Deploymentcloud
5 lines stated Written from the maker's own pages: threatforge.dev, exitzerolabs.com
The ThreatForge homepage

Overview

ThreatForge is ranked #11 of 22 in threat modeling software on Specifiction. It runs on Linux, macOS, Web, Windows. There is a free plan.

ThreatForge plans and pricing

All plans
Threat Forge Free Free and open source under Apache 2.0 · no account required · full application available to everyone exitzerolabs.com · 7 Oct 2026

Compared on threat modeling software

Free plan
Yesthreatforge.dev
Templates and frameworks
Yesthreatforge.dev
Modeling methods
stridethreatforge.dev
Deployment
cloudthreatforge.dev

Facts

Product
Threat Forge is an open-source desktop app for threat modeling with visual diagrams, automated STRIDE analysis, and AI-assisted threat discovery.exitzerolabs.com · 7 Oct 2026
Diagrams
Its drag-and-drop canvas has 44 typed components across 10 categories, with trust boundaries, text annotations, and automatically routed connections.exitzerolabs.com · 7 Oct 2026
STRIDE
The built-in rule engine generates threats from element types and data-flow patterns and works fully offline.exitzerolabs.com · 7 Oct 2026
AI analysis
The app supports chatting with Claude or GPT about a threat model and can suggest threats, propose mitigations, and answer security questions; it uses BYOK.exitzerolabs.com · 7 Oct 2026
File format
Threat models use human-readable, git-diffable YAML files that can be reviewed in pull requests and versioned over time.exitzerolabs.com · 7 Oct 2026
Templates
Six templates cover Cloud Microservices, E-Commerce, Mobile Banking, SaaS Platform, IoT Smart Building, and Healthcare System.exitzerolabs.com · 7 Oct 2026
Platforms
The desktop app runs on macOS, Windows, and Linux.exitzerolabs.com · 7 Oct 2026
Privacy
The maker says there is no telemetry and threat models stay on the user's machine.exitzerolabs.com · 7 Oct 2026
Account
No account is required to get started.exitzerolabs.com · 7 Oct 2026
License
The application is released under the Apache 2.0 license, with no freemium upsells or enterprise-only features.exitzerolabs.com · 7 Oct 2026
Download size
The maker describes the download as approximately 10 MB.exitzerolabs.com · 7 Oct 2026
Intended users
The maker positions Threat Forge as a developer-friendly alternative for teams seeking threat modeling without an enterprise procurement cycle.exitzerolabs.com · 7 Oct 2026

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Where it ranks on Specifiction

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Sources