Proxyman

An modern and intuitive HTTP debugging proxy on macOS & iOS https://proxyman.io

HTTP Toolkit

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, CLI tools, scripts and more.

LightStep Sandbox

How quickly can you debug an error in a distributed system?

NetworkMiner

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.

Wireshark

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Zed Attack Proxy

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding…

mitmproxy

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.