Hottest cybersecurity open-source tools of the month: March 2025
This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments.
Hetty: Open-source HTTP toolkit for security research

Hetty is an open-source HTTP toolkit designed for security research, offering a free alternative to commercial tools like Burp Suite Pro.

Fix Inventory: Open-source cloud asset inventory tool

Fix Inventory is an open-source tool for detecting compliance and security risks in cloud infrastructure accounts.

Commix: Open-source OS command injection exploitation tool

Commix is an open-source penetration testing tool designed to automate the detection and exploitation of command injection vulnerabilities, streamlining security assessments for researchers and ethical hackers.

NetBird: Open-source network security

NetBird is an open-source solution that integrates a configuration-free peer-to-peer private network with centralized access control, providing a single platform to build secure private networks for your organization or home.

Must read:
- GitHub CISO on security strategy and collaborating with the open-source community
- Don’t let these open-source cybersecurity tools slip under your radar
- 33 open-source cybersecurity solutions you didn’t know you needed