 
                  Wireshark
Open SourceWireshark is a leading open-source network protocol analyzer that empowers users to inspect and understand network traffic at a granular level. Widely used by network professionals, security experts, and developers for troubleshooting, analysis, software and communications protocol development, and education.
                  
                    
                  
                  Key Features
                
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                      Deep packet analysis capabilities.
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                      Supports a vast number of network protocols.
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                      Open source and completely free.
 
        