
destroylist
Real-time phishing & scam domain blocklist - 208k+ curated threats, 1M+ community, free API, multiple formats

Real-time phishing & scam domain blocklist - 208k+ curated threats, 1M+ community, free API, multiple formats

Advanced Phishing Protection: Suricata rulesets open and free

PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) solution. Boasting an impressive feature set including a…

ZoneMinder is a free, open source Closed-circuit television software application developed for Linux which supports IP, USB and Analog cameras.

Open Vulnerability Intelligence platform, aggregated intel in one dashboard, with correlation and IOC lookups, completely self hosted. All resources…

An open source threat modeling tool from OWASP

Protect against malicious code installed via npm, yarn, pnpm, npx, pnpx, pip, uv and poetry with Aikido Safe Chain. Free to use, no tokens required.

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

Rail-OT-Protector (ROP) — free, open-source cybersecurity scanning tool for rail and transit OT/SCADA networks. PowerShell + Bash scanners for…

Non-destructive detector for CVE-2026-64638 (XSS2Shell) — WordPress pre-auth XSS reflection primitive

Open-source XDR and SIEM platform for threat detection, log analysis, file integrity monitoring, vulnerability assessment, and compliance management…

Open-source YAML rule set for detecting and preventing email attacks including BEC, credential phishing, malware, and supporting threat hunting.

Strip credential-like content from free-form strings before they reach logs or telemetry. Part of the phpboyscout Go toolkit. ·…

Open-source macOS firewall that monitors and controls network connections, blocking unauthorized outbound and inbound traffic with per-application…

Tracking PinTheft (CVE-2026-43494, CVE-2026-43502), the RDS zerocopy double-free privilege escalation

Tool and framework for securely reading untrusted USB mass storage devices.

Lightweight scanner that detects vulnerable Log4j versions and Log4Shell (CVE-2021-44228) indicators in a filesystem tree.

AtlantHarden - free Windows, browser & Office security hardening. 579 settings incl. 354 DISA STIG controls (Win11/Edge/Chrome/Firefox/Office 365) +…