Discover the most starred and trending open source tools tagged with #sec.
Independent Auditing of AI Agents. Run by human or the agent itself, to answer the most crucial question in the AI Agent Economy. Is the agent doing what is supposed to do? With iFixAi you can have this answer in less than 120 seconds.
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.
π RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection — all without a single pixel of video.
OpenHuman is the fastest, cheapest, most efficient open-source agent harness. Written in Rust
Weighs the soul of incoming HTTP requests to stop AI crawlers
Hunt down social media accounts by username across social networks
Local gateway for Claude Code, Codex and other AI clients on macOS, Windows and Linux: switch upstreams without touching clients, keep API keys from relays, cut off malicious tool calls, trace every request.
The cross-harness, self-improving memory layer for AI agents.
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
Get Android app updates straight from the source.
Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.
Use an iPhone, iPad, or spare Mac as a true second display for your Mac without restrictions.
The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP quality check, browser fingerprint check, website availability check, network speed test, global latency test, MTR test, Whois search, and more.
Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
🧱 easy, fast, programmable and local-first microVM runtime
An open source AI-native agentic SOC platform
A self-hosted dashboard for CrowdSec: investigate alerts, manage decisions, monitor runtime metrics, and send notifications from one responsive UI.
The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.