Top Free & Open Source Cybersecurity Tools

Although there is a proliferation of Free & Open Source Software (FOSS) tools for Cybersecurity, many of them are mediocre or worse in terms of their functionality, reliability, and usability. The Cybersecurity FOSS tools listed below are distinguished by their quality and popularity, and are organized according to major cybersecurity functions (penetration testing, digital forensics, network protocol analysis, etc.).

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Top Cybersecurity Tools & Tool Suites

Best Penetration Testing Tool Suite
MSF Server/Client: Client:
EDITORS'
 CHOICE 

Best Network Protocol Analyzer ("Packet Sniffer")
EDITORS'
 CHOICE 

Best Web Application Testing Tool Suite

Best Web App Security Reconnaissance ("Fuzzer")
TOP
    PICK 

Best Logon Password Cracker

Best WEP / WPA Password Cracker
Editor Rating: 3.5 / 5 Stars

Best SQL Injection / Database Takeover Tool
Editor Rating: 3.5 / 5 Stars

Best Forensic Image & File Processing Tool Suite
Editor Rating: 3.5 / 5 Stars

Best Forensic Image Processing Tool
Editor Rating: 3.5 / 5 Stars

Best Network Scanning Utility
Editor Rating: 3.5 / 5 Stars

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