The best HTTP(S) Debugger alternative to Packet Capture is mitmproxy, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 25 alternatives to Packet Capture, but unfortunately only two of them are HTTP(S) Debuggers.
mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly. It also features mitmdump, a commandline tool that provides a tcpdump-like interface for saving, viewing and...
SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3 and FTP) or as hex dump (for non-text base...
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