Hottest cybersecurity open-source tools of the month: March 2026

This article provides a concise roundup of notable open-source cybersecurity projects — ranging from AI-driven penetration testing (BlacksmithAI) and Linux memory forensics (mquire) to AWS auditing (Cloud-audit), binary vulnerability scanning (VulHunt), secret scanning (Betterleaks), CI/CD pipeline checks (Plumber), and security orchestration (ShipSec Studio) — intended to help security teams discover tools and improve security workflows. The piece is informational and product-focused rather than reporting any active security incident or threat.