tcpdump - tcpdump is a common packet analyzer that runs under the command line.
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
SmartSniff - SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
netcat - Netcat is a featured networking utility which reads and writes data across network connections...
James - James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from...