Best Open Source Cybersecurity Projects

Semgrep Logo

Semgrep

A fast, open-source, static analysis tool for finding bugs and enforcing code standards.

★ 17,025 Updated: Oct 2026 Status: Active
CrowdSec Logo

CrowdSec

Collaborative cybersecurity solution

★ 15,163 Updated: Oct 2026 Status: Active
Matano Logo

Matano

Cloud-native security data lake on AWS

★ 1,701 Updated: Jan 2025 Status: Slowing