A curated list of CTF frameworks, libraries, resources and softwares
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47,133 repositories indexed
1–8 of 8 · Most stars
Atomic and non-atomic counters and rate limiting tools. Limit resource access at any scale.
Shuffle: A general purpose security automation platform. Our focus is on collaboration and resource sharing.
🔒Unified API for password hashing algorithms
Kraken: A multi-platform distributed brute-force password cracking system
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
Cloverleaf is a free, open source app to replace your password manager without storing your passwords anywhere.
Open-source PocketBase security auditor: detects empty rules, the @request.auth.id != trap, true literals. Active probe confirms leaks live.