mitmproxy

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...

• Not as easy to use, but it's really powerful. Guest • Nov 2016 • 4 agrees and 0 disagrees Disagree   Agree
• sames features as charles but less easy to access. If you are not affray about command lines options, go using it. Guest • Sep 2017 • 1 agrees and 0 disagrees Disagree   Agree
• Free and open-source, UI doesn't constantly nag you to pay money. Guest • Aug 2018 • 1 agrees and 0 disagrees Disagree   Agree

Free Open Source Mac Windows Linux

Zed Attack Proxy

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. It is designed to be used by people...

• This is security vulnerability finding software, not a proxy observer. Guest • Aug 2018 Disagree   Agree

Free Open Source Mac Windows Linux

HttpFox

HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers. It aims to bring the functionality known from tools like...

• Discontinued The project is no longer developed. Last version, 0.8.14.1, released in May 2014, is not compatible with Firefox, but the extension still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/ and https://alternativeto.net/software/palemoon/

Free Mac Windows Linux Waterfox Pale Moon

James

James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from the browser. It is an open-source alternative to the popular developer...

Free Open Source Mac Windows Linux React Electron / Atom Shell ... Node.JS

Proxie

A HTTP Debugging Proxy for MacOS.

Commercial $ $ $ Mac

HTTP Toolkit

HTTP Toolkit is a suite of powerful tools to debug, test & build with HTTP(S).

Free Open Source Mac Windows Linux Web

Surge for Mac

Working quietly on the Menubar, Surge is a high-performance HTTP/SOCKS5 proxy server. It is capable of intercepting and logging the summary of HTTP traffic, and...

Commercial $ $ $ Mac iPhone iPad

Cellist

Cellist is a HTTP debugging proxy for OS X. ---How does it work?--- Cellist puts a proxy between HTTP clients and the Internet. All you need to do is set the proxy...

Commercial $ $ $ Mac

Live HTTP Headers (Chrome)

Monitor all HTTP/HTTPs traffic from your browser. Live HTTP Headers logs all HTTP traffic between Google Chrome and the Internet. This extension can be helpful if...

• Warning Suspected of distribute adwares, even after removing the extension

Free Mac Windows Linux Chrome

Proxy.app

Proxy.app is the perfect tool for debugging and analysing both HTTP requests and responses and modify data in transit. It can be used to debug hard problems while doing...

Commercial $ $ $ Mac

Andiparos

Andiparos is a fork of the famous Paros Proxy. It is an open source web application security assessment tool that gives penetration testers the ability to spider...

• Discontinued No longer developed, as of 2010: https://code.google.com/archive/p/andiparos/source/default/commits

Free Open Source Mac Windows Linux

HTTP Headers

HTTP Headers allows you to quickly see the HTTP header information for the current URL.

• Warning Suspected of distribute adwares, even after removing the extension

Free Mac Windows Linux

HTTPScoop

HTTP Scoop is a Mac network sniffer that displays requests to websites along with the response, and makes it fairly easy to see what's going on.

• Discontinued The program is no longer updated. Last version, 1.4.3, released in November 2009, can be still bought from the official website.

Commercial Mac

Slowy

Slowy is an OSX app which simulates custom connection's conditions and limits the network traffic. It is created for web developers that work on a local server, to...

Freemium Mac