Free Tools for Security Pros
Open-source tools and training platforms built by practitioners, for practitioners. Use them, contribute, and level up your security game.
TRA Studio
Visual Threat & Risk Analysis
A full-featured web application for conducting Threat and Risk Assessments. Build data flow diagrams, identify threats with STRIDE, assess risks using DREAD, and generate comprehensive TRA reports — all in one tool.
DFD Builder
Visual drag-and-drop data flow diagram editor with trust boundaries
STRIDE + DREAD
Systematic threat identification and quantitative risk scoring
AI-Powered Analysis
AI assistant helps identify threats and suggest mitigations
Report Generation
Export professional TRA reports in PDF and Excel formats
Secure Code Training
Learn to Write Secure Code
Interactive, hands-on training platform for developers. Master OWASP Top 10 vulnerabilities, secure coding patterns, and security testing through guided labs and real-world exercises.
Interactive Labs
Hands-on coding exercises with instant feedback in the browser
OWASP Coverage
Complete coverage of OWASP Top 10 with real exploit demos
Progress Tracking
Track your learning path and earn completion badges
Team Dashboards
Manage training programs and monitor team progress
Cyber Agents
AI Security Automation
Autonomous AI agents for cybersecurity tasks. Automate threat detection, code security reviews, compliance checking, and incident triage with intelligent agents that work alongside your team.
Threat Hunter Agent
Continuously scans for indicators of compromise across your systems
Code Review Agent
Automated security review for pull requests and code changes
Compliance Agent
Maps controls to frameworks and identifies compliance gaps
Incident Triage Agent
Classifies and prioritizes security alerts automatically
Want to Contribute?
All our tools are open-source. Report bugs, suggest features, or submit pull requests — every contribution makes security more accessible.