GitHub repo leaderboard by stars, growth rate and activity.
Hunt down social media accounts by username across social networks
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.
An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.
Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.
🕵️♂️ Collect a dossier on a person by username from 3000+ sites
817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0
This repository is maintained by Omar Santos (@santosomar) and includes thousands of resources related to ethical hacking, bug bounties, digital forensics and incident response (DFIR), AI security, vulnerability research, exploit development, reverse engineering, and more. 🔥 Also check: https://hackertraining.org
SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.
🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026
| # | Repo | Language | Stars | 30-day trend | Last updated |
|---|---|---|---|---|---|
| 1 | Hunt down social media accounts by username across social networks | Python | 91,147 | — | last pushed 2 days ago |
| 2 | Open-source AI penetration testing tool to find and fix your app’s vulnerabilities. | Python | 61,370 | — | last pushed 2 days ago |
| 3 | 🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM. | C++ | 54,754 | — | last pushed 2 days ago |
| 4 | An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis. | C++ | 49,451 | — | last pushed 3 days ago |
| 5 | Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production. | TypeScript | 47,870 | — | last pushed 2 days ago |
| 6 | 🕵️♂️ Collect a dossier on a person by username from 3000+ sites | Python | 37,391 | — | last pushed 2 days ago |
| 7 | 817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0 | Python | 32,446 | — | last pushed 2 weeks ago |
| 8 | This repository is maintained by Omar Santos (@santosomar) and includes thousands of resources related to ethical hacking, bug bounties, digital forensics and incident response (DFIR), AI security, vulnerability research, exploit development, reverse engineering, and more. 🔥 Also check: https://hackertraining.org | Jupyter Notebook | 29,338 | — | last pushed 4 days ago |
| 9 | SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits. | Go | 22,537 | — | last pushed 1 week ago |
| 10 | 🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026 | TypeScript | 22,288 | — | last pushed 4 days ago |
All · 11,474