Alternatives to Fiddler for Mac with any license

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  • Postman icon

    Postman

    Postman helps you be more efficient while working with APIs. Postman is a scratch-your-own-itch project. The need for it arose while one of the developers was creating an API for his project. After looking around for a number of...

    Freemium Mac Linux Web / Cloud Chrome OS Chrome

  • Charles icon

    Charles

    Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which...

    Commercial Mac Windows Linux

    No features added Add a feature
  • mitmproxy icon

    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 features mitmdump, a commandline tool that provides a tcpdump-like...

    Open Source Mac Linux

    No features added Add a feature
  • Zed Attack Proxy icon

    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 with a wide range of security experience and as such is ideal for...

    Open Source Mac Windows Linux

    No features added Add a feature
  • Burp Proxy icon

    Burp Proxy

    Burp Proxy is an interactive HTTP/S proxy server for attacking and testing web applications. It operates as a man-in-the-middle between the end browser and the target web server, and allows the user to intercept, inspect and modify...

    Freemium Mac Windows Linux

    No features added Add a feature
  • Live HTTP Headers icon

    Live HTTP Headers

    The goal of this project is to adds information about the HTTP headers in three ways: First by adding a 'Headers' tab in 'View Page Info' of a web page. Second by adding a tool in the 'Tools->Web...

    Free Mac Windows Linux Firefox

  • Live HTTP Headers (Chrome) icon

    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 you want to: * Debug web application * Follow redirect path *...

    Free Mac Windows Linux Chrome

    No features added Add a feature
    • Warning Suspected of distribute adwares, even after removing the extension
  • StopLight icon

    StopLight

    APIs are essential to every online business. StopLight helps companies manage their API lifecycle. Our visual modeling solution removes the massive amount of manual effort needed today, and instead reduces friction, and improves...

    Free Personal Mac Windows

    No features added Add a feature
  • Andiparos icon

    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 websites, analyze content, intercept and modify HTTP requests...

    Open Source Mac Windows Linux

    No features added Add a feature
    • Discontinued No longer developed, as of 2010: https://code.google.com/archive/p/andiparos/source/default/commits
  • Graphical HTTP Client icon

    Graphical HTTP Client

    HTTP Client is a Mac OS X Leopard developer tool for debugging HTTP services by graphically creating and inspecting complex HTTP messages.

    Commercial Mac

    No features added Add a feature
  • LANGuardian icon

    LANGuardian

    LANGuardian is the first and only deep packet inspection (DPI) software to provide SMB network managers with root cause information about network and user activity. LANGuardian gives a deeper level of detail than standard flow tools...

    Commercial Mac Windows Linux

    No features added Add a feature
  • Proxy.app icon

    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 web development or as a penetration testing tool during security...

    Commercial Mac

    No features added Add a feature
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  • HttpFox icon

    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 HttpWatch or IEInspector to the Firefox browser. Information...

    Free Mac Windows Linux Firefox

    No features added Add a feature
  • HTTPScoop icon

    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.

    Commercial Mac

    No features added Add a feature
    • Discontinued The program is no longer updated. Last version, 1.4.3, released in November 2009, can be still bought from the official website.
  • Rest Client icon

    Rest Client

    Rest Client feature rich rest client for developers to debug and test their RESTful web services. It can be used to request a URL using the following HTTP methods: GET, POST, PUT, DELETE, HEAD, PATCH, COPY, SEARCH, OPTIONS. Feature...

    Commercial Mac

    No features added Add a feature
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  • GraphicalHttpClient icon

    GraphicalHttpClient

    Graphical Http Client is a utility to help you test and interact with REST-based web services. It is lightweight, easy-to-use, and has the following features: - Set request headers and body, then see the response body and headers ...

    Commercial Mac

    No features added Add a feature
  • RESTed icon

    RESTed

    RESTed allows developers to quickly format and make HTTP requests and view the response. RESTed supports both basic HTTP authentication and OAuth. RESTed shows you the response header and response data. XML and JSON...

    Commercial Mac

    No features added Add a feature
  • Cellist icon

    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 configuration on your device properly, and then all HTTP traffic...

    Commercial Mac

    No features added Add a feature
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