Alternatives to Firebug for Mac with any license

  • Google Chrome Developer Tools icon

    Google Chrome Developer Tools

    The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome. The developer tools are developed partly through the WebKit open...

    Open Source Mac Windows Linux Chrome

  • 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

  • Opera Dragonfly icon

    Opera Dragonfly

    Opera Dragonfly is a feature of Opera web browser: it is a full-featured development and debugging tool integrated into Opera. It supports debugging JavaScript, viewing the DOM, monitoring network traffic, previewing resources...

    Free Mac Windows Linux

  • 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

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

  • Slowy icon

    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 test a website with a real-world connection.

    Freemium Mac

  • HTTP Headers icon

    HTTP Headers

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

    Free Mac Windows Linux

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

  • 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

    • 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

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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

  • 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

  • Tiny JavaScript Debugger icon

    Tiny JavaScript Debugger

    TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavsScript.

    Open Source Mac Windows Linux Firefox

  • These alternatives are not yet approved, do you think they are alternatives?