Security Tool
Cyber Security Related Tools
Building techniques and tools related to cyber security and bug bounty for public community.
Tools & learning
Tools & projects.
Use Favicon Hasher, learn with Academy, or explore our open-source research tools.
Security Tool
Favicon Hasher
A powerful OSINT reconnaissance tool used by bug hunters and security researchers worldwide. Uses favicon hashes (MMH3) to discover and map digital assets associated with a target, uncovering subdomains, related services, and infrastructure fingerprints.
Academy
codéjà Vu Academy
An invite-only gamified cybersecurity learning platform. Our Bug Bounty Bootcamp trains security researchers with XP progression, weekly challenges, expert mentorship, and real-world targets.
Open-source tools
swaggervu
A Swagger and OpenAPI security workbench for examining API definitions and recording evidence.
Application security · GitHubsaase
Passive-first SaaS exposure research for authorized security work.
Research utilities · GitHubctscan
Certificate-led TLS reconnaissance and scoped asset discovery.
Research utilities · GitHubdnshunt
DNS reconnaissance with cross-resolver verification.
Research utilities · GitHubBug bounty road map
A Kurdish-language road map for people beginning their bug-bounty journey.
Learning · GitHub