🛡️ Top 10 Free Penetration Testing Tools Every Security Team Should Use in 2025

1. nikto

   1 10 10,425 8.1 Perl

   Nikto web server scanner

   

   Nikto is a classic web server scanner that looks for misconfigurations, outdated software, and dangerous files.

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. Wireshark

   2 28 9,435 10.0 C

   Read-only mirror of Wireshark's Git repository at https://gitlab.com/wireshark/wireshark. You're welcome to submit pull requests there.

   

   Wireshark captures network packets in real-time, letting you dig into what’s happening under the surface.

4. john

   3 80 13,222 9.1 C

   John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs

   

   An old-school tool that's still going strong. John the Ripper is a fast and flexible password cracker.

5. Metasploit

   4 126 38,332 10.0 Ruby

   Metasploit Framework

   

   Metasploit is essential for anyone simulating attacks or testing vulnerabilities. It's the backbone of many red team operations.

6. w3af

   5 2 4,868 0.0 Python

   w3af: web application attack and audit framework, the open source web vulnerability scanner.

   

   w3af (Web Application Attack and Audit Framework) helps you find and exploit vulnerabilities in web apps.

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