Apps for all platforms with any license

Platforms

Desktop

Show 19 less popular platforms
  • Fiddler

    Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and "fiddle" with incoming or outgoing data.

     

    Fiddler icon

    Free Windows

  • 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.

     

    Charles icon

    Commercial Mac OS X Windows Linux

  • Firefox Developer Tools

    Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

     

    Firefox Developer Tools icon

    Free Open Source Mac OS X Windows Linux Firefox

  • 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.

     

    HttpFox icon

    Free Mac OS X Windows Linux Waterfox Pale Moon

    • 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 http://hypervtx.in/software/waterfox/ and http://hypervtx.in/software/palemoon/
  • WebScarab

    There is no shiny red button on WebScarab, it is a tool primarily designed to be used by people who can write code themselves, or at least have a pretty good understanding of the HTTP protocol.

     

    WebScarab icon

    Free Open Source Mac OS X Windows Linux

    • Discontinued Inactive OWASP project. You can use the newer Edition(s) like OWASP http://hypervtx.in/software/zed-attack-proxy/
  • 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.

     

    Live HTTP Headers (Chrome) icon

    Free Mac OS X Windows Linux Chrome

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

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

     

    HTTP Headers icon

    Free Mac OS X Windows Linux

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

    HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers

     

    HTTP Debugger icon

    Commercial Windows

  • Surge for Mac

    Working quietly on the Menubar, Surge is a high-performance HTTP/SOCKS5 proxy server.

     

    Surge for Mac icon

    Commercial $ $ $ Mac OS X iPhone iPad

  • RootCause

    Monitor and reproduce errors in web sites/applications. Using the built-in recorder feature you’ll know exactly what the user did. This means you don’t have to read call stacks or parse through huge logs to be able to reproduce bugs.

     

    RootCause icon

    Freemium $ $ $ Mac OS X Windows Web Self-Hosted

  • Proxy.app

    Proxy.app is the perfect tool for debugging and analysing both HTTP requests and responses and modify data in transit.

     

    Proxy.app icon

    Commercial $ $ $ Mac OS X

  • kuoll

    Bug fixing assistant bot. Web application monitoring that provides debug-friendly user sessions.

     

    kuoll icon

    Freemium Web

  • DebugView

    DebugView is an application that lets you monitor debug output on your local system, or any computer on the network that you can reach via TCP/IP.

     

    DebugView icon

    Free Windows PortableApps.com

  • 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 tool Charles.

     

    James icon

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

  • Moesif

    Log and analyze HTTP requests. Makes debugging REST APIs and integrated apps easier.

     

    Moesif icon

    Commercial Mac OS X Windows Linux Android SDK Ruby C# Python .NET Framework ... iOS JavaScript Django Go (Programming Language) Java Node.JS

  • 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.

     

    Rest Client icon

    Commercial Mac OS X

  • Omnibug

    Omnibug is a plugin for the Google Chrome and Mozilla Firefox browsers to ease developing and debugging web metrics implementations.

     

    Omnibug icon

    Free Open Source Mac OS X Windows Linux Chrome Firefox