
ModSecurity
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. It has a robust event-based…

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. It has a robust event-based…

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of…

Open-source network IDS/IPS/NSM engine for real-time traffic inspection, intrusion detection and prevention, protocol analysis, and rule-based threat…

Go-based Web Application Firewall library compatible with ModSecurity SecLang rules and OWASP Core Rule Set v4, providing real-time HTTP traffic…

Fil-C: completely compatible memory safety for C and C++

Multi-threaded network intrusion detection and prevention system with rule-based detection, protocol-aware inspection, and pcap analysis for…

An open source threat modeling tool from OWASP

A secure low code deception runtime framework, leveraging AI for System Virtualization.

bluemonday: a fast golang HTML sanitizer (inspired by the OWASP Java HTML Sanitizer) to scrub user generated content of XSS

Takes third-party HTML and produces HTML that is safe to embed in your web application. Fast and easy to configure.

High-performance WAF built on the OpenResty stack

Wire-level proxy firewall for AI agents that intercepts and gates SQL, Kubernetes, and HTTP traffic using HCL rules, with per-process tunnel…

Cmd.exe Command Obfuscation Generator & Detection Test Harness

Metlo is an open-source API security platform.

Local-first AI red team for web, API, and LLM application security. Attacker-style reasoning, evidence-backed findings, and skills for AI coding…

OWASP Honeypot, Automated Deception Framework.

XLL Phishing Tradecraft

ClamAV antivirus scanning for Node.js — scan file uploads with a single function call. Zero dependencies. Typed Symbol verdicts. Local or…