Alternatives to Fiddler logo

Alternatives to Fiddler

Python, Charles, Postman, RestSharp, and Insomnia REST Client are the most popular alternatives and competitors to Fiddler.
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What is Fiddler and what are its top alternatives?

It is a free web debugging proxy for any browser, system or platform. It helps you debug web applications by capturing network traffic between the Internet and test computers. The tool enables you to inspect incoming and outgoing data to monitor and modify requests and responses before the browser receives them.
Fiddler is a tool in the API Tools category of a tech stack.

Top Alternatives to Fiddler

  • Python
    Python

    Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best. ...

  • Charles
    Charles

    Charles is a web proxy (HTTP Proxy / HTTP Monitor) that runs on your own computer. Your web browser (or any other Internet application) is then configured to access the Internet through Charles, and Charles is then able to record and display for you all of the data that is sent and received. ...

  • Postman
    Postman

    It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide. ...

  • RestSharp
    RestSharp

    It is probably the most popular HTTP client library for .NET. Featuring automatic serialization and deserialization, request and response type detection, variety of authentications and other useful features ...

  • Insomnia REST Client
    Insomnia REST Client

    Insomnia is a powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux. ...

  • OpenAPI
    OpenAPI

    It is a publicly available application programming interface that provides developers with programmatic access to a proprietary software application or web service. ...

  • Retrofit
    Retrofit

    Retrofit turns your HTTP API into a Java interface

  • OpenAPI Specification
    OpenAPI Specification

    It defines a standard, language-agnostic interface to RESTful APIs which allows both humans and computers to discover and understand the capabilities of the service without access to source code, documentation, or through network traffic inspection. ...

Fiddler alternatives & related posts

Python logo

Python

238.4K
189K
6.8K
A clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
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189K
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PROS OF PYTHON
  • 1.2K
    Great libraries
  • 957
    Readable code
  • 842
    Beautiful code
  • 783
    Rapid development
  • 687
    Large community
  • 432
    Open source
  • 389
    Elegant
  • 280
    Great community
  • 272
    Object oriented
  • 216
    Dynamic typing
  • 77
    Great standard library
  • 58
    Very fast
  • 53
    Functional programming
  • 46
    Easy to learn
  • 45
    Scientific computing
  • 35
    Great documentation
  • 28
    Matlab alternative
  • 27
    Easy to read
  • 27
    Productivity
  • 23
    Simple is better than complex
  • 20
    It's the way I think
  • 19
    Imperative
  • 18
    Free
  • 17
    Very programmer and non-programmer friendly
  • 16
    Powerfull language
  • 16
    Machine learning support
  • 15
    Fast and simple
  • 14
    Scripting
  • 12
    Explicit is better than implicit
  • 10
    Ease of development
  • 9
    Unlimited power
  • 9
    Clear and easy and powerfull
  • 8
    Import antigravity
  • 7
    It's lean and fun to code
  • 7
    Print "life is short, use python"
  • 6
    Now is better than never
  • 6
    Flat is better than nested
  • 6
    Great for tooling
  • 6
    Fast coding and good for competitions
  • 6
    There should be one-- and preferably only one --obvious
  • 6
    High Documented language
  • 6
    I love snakes
  • 6
    Although practicality beats purity
  • 6
    Python has great libraries for data processing
  • 5
    Readability counts
  • 5
    Rapid Prototyping
  • 4
    Lists, tuples, dictionaries
  • 4
    Web scraping
  • 4
    CG industry needs
  • 4
    Great for analytics
  • 4
    Socially engaged community
  • 4
    Complex is better than complicated
  • 4
    Multiple Inheritence
  • 4
    Beautiful is better than ugly
  • 4
    Plotting
  • 3
    Import this
  • 3
    Simple and easy to learn
  • 3
    Easy to setup and run smooth
  • 3
    Many types of collections
  • 3
    If the implementation is easy to explain, it may be a g
  • 3
    If the implementation is hard to explain, it's a bad id
  • 3
    Special cases aren't special enough to break the rules
  • 3
    Pip install everything
  • 3
    List comprehensions
  • 3
    No cruft
  • 3
    Easy to learn and use
  • 3
    Generators
  • 2
    Powerful language for AI
  • 2
    It is Very easy , simple and will you be love programmi
  • 2
    Batteries included
  • 2
    Should START with this but not STICK with This
  • 2
    A-to-Z
  • 2
    Can understand easily who are new to programming
  • 2
    Because of Netflix
  • 2
    Only one way to do it
  • 2
    Better outcome
  • 2
    Good for hacking
  • 2
    Flexible and easy
  • 1
    Securit
  • 1
    Slow
  • 1
    Sexy af
  • 0
    Powerful
CONS OF PYTHON
  • 52
    Still divided between python 2 and python 3
  • 28
    Performance impact
  • 26
    Poor syntax for anonymous functions
  • 22
    GIL
  • 19
    Package management is a mess
  • 14
    Too imperative-oriented
  • 12
    Hard to understand
  • 12
    Dynamic typing
  • 12
    Very slow
  • 8
    Not everything is expression
  • 7
    Incredibly slow
  • 7
    Explicit self parameter in methods
  • 7
    Indentations matter a lot
  • 6
    Requires C functions for dynamic modules
  • 6
    No anonymous functions
  • 6
    Poor DSL capabilities
  • 5
    Fake object-oriented programming
  • 5
    Threading
  • 5
    The "lisp style" whitespaces
  • 5
    Official documentation is unclear.
  • 5
    Hard to obfuscate
  • 4
    Lack of Syntax Sugar leads to "the pyramid of doom"
  • 4
    Circular import
  • 4
    The benevolent-dictator-for-life quit
  • 4
    Not suitable for autocomplete
  • 2
    Meta classes
  • 1
    Training wheels (forced indentation)

related Python posts

Conor Myhrvold
Tech Brand Mgr, Office of CTO at Uber · | 43 upvotes · 7.6M views

How Uber developed the open source, end-to-end distributed tracing Jaeger , now a CNCF project:

Distributed tracing is quickly becoming a must-have component in the tools that organizations use to monitor their complex, microservice-based architectures. At Uber, our open source distributed tracing system Jaeger saw large-scale internal adoption throughout 2016, integrated into hundreds of microservices and now recording thousands of traces every second.

Here is the story of how we got here, from investigating off-the-shelf solutions like Zipkin, to why we switched from pull to push architecture, and how distributed tracing will continue to evolve:

https://eng.uber.com/distributed-tracing/

(GitHub Pages : https://www.jaegertracing.io/, GitHub: https://github.com/jaegertracing/jaeger)

Bindings/Operator: Python Java Node.js Go C++ Kubernetes JavaScript OpenShift C# Apache Spark

See more
Nick Parsons
Building cool things on the internet 🛠️ at Stream · | 35 upvotes · 2.5M views

Winds 2.0 is an open source Podcast/RSS reader developed by Stream with a core goal to enable a wide range of developers to contribute.

We chose JavaScript because nearly every developer knows or can, at the very least, read JavaScript. With ES6 and Node.js v10.x.x, it’s become a very capable language. Async/Await is powerful and easy to use (Async/Await vs Promises). Babel allows us to experiment with next-generation JavaScript (features that are not in the official JavaScript spec yet). Yarn allows us to consistently install packages quickly (and is filled with tons of new tricks)

We’re using JavaScript for everything – both front and backend. Most of our team is experienced with Go and Python, so Node was not an obvious choice for this app.

Sure... there will be haters who refuse to acknowledge that there is anything remotely positive about JavaScript (there are even rants on Hacker News about Node.js); however, without writing completely in JavaScript, we would not have seen the results we did.

#FrameworksFullStack #Languages

See more
Charles logo

Charles

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HTTP proxy / HTTP monitor / Reverse Proxy
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+ 1
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PROS OF CHARLES
    Be the first to leave a pro
    CONS OF CHARLES
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      related Charles posts

      Postman logo

      Postman

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      Only complete API development environment
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      PROS OF POSTMAN
      • 490
        Easy to use
      • 369
        Great tool
      • 276
        Makes developing rest api's easy peasy
      • 156
        Easy setup, looks good
      • 144
        The best api workflow out there
      • 53
        It's the best
      • 53
        History feature
      • 44
        Adds real value to my workflow
      • 43
        Great interface that magically predicts your needs
      • 35
        The best in class app
      • 12
        Can save and share script
      • 10
        Fully featured without looking cluttered
      • 8
        Collections
      • 8
        Option to run scrips
      • 8
        Global/Environment Variables
      • 7
        Shareable Collections
      • 7
        Dead simple and useful. Excellent
      • 7
        Dark theme easy on the eyes
      • 6
        Awesome customer support
      • 6
        Great integration with newman
      • 5
        Documentation
      • 5
        Simple
      • 5
        The test script is useful
      • 4
        Saves responses
      • 4
        This has simplified my testing significantly
      • 4
        Makes testing API's as easy as 1,2,3
      • 4
        Easy as pie
      • 3
        API-network
      • 3
        I'd recommend it to everyone who works with apis
      • 3
        Mocking API calls with predefined response
      • 2
        Now supports GraphQL
      • 2
        Postman Runner CI Integration
      • 2
        Easy to setup, test and provides test storage
      • 2
        Continuous integration using newman
      • 2
        Pre-request Script and Test attributes are invaluable
      • 2
        Runner
      • 2
        Graph
      • 1
        <a href="http://fixbit.com/">useful tool</a>
      CONS OF POSTMAN
      • 10
        Stores credentials in HTTP
      • 9
        Bloated features and UI
      • 8
        Cumbersome to switch authentication tokens
      • 7
        Poor GraphQL support
      • 5
        Expensive
      • 3
        Not free after 5 users
      • 3
        Can't prompt for per-request variables
      • 1
        Import swagger
      • 1
        Support websocket
      • 1
        Import curl

      related Postman posts

      Noah Zoschke
      Engineering Manager at Segment · | 30 upvotes · 2.6M views

      We just launched the Segment Config API (try it out for yourself here) — a set of public REST APIs that enable you to manage your Segment configuration. A public API is only as good as its #documentation. For the API reference doc we are using Postman.

      Postman is an “API development environment”. You download the desktop app, and build API requests by URL and payload. Over time you can build up a set of requests and organize them into a “Postman Collection”. You can generalize a collection with “collection variables”. This allows you to parameterize things like username, password and workspace_name so a user can fill their own values in before making an API call. This makes it possible to use Postman for one-off API tasks instead of writing code.

      Then you can add Markdown content to the entire collection, a folder of related methods, and/or every API method to explain how the APIs work. You can publish a collection and easily share it with a URL.

      This turns Postman from a personal #API utility to full-blown public interactive API documentation. The result is a great looking web page with all the API calls, docs and sample requests and responses in one place. Check out the results here.

      Postman’s powers don’t end here. You can automate Postman with “test scripts” and have it periodically run a collection scripts as “monitors”. We now have #QA around all the APIs in public docs to make sure they are always correct

      Along the way we tried other techniques for documenting APIs like ReadMe.io or Swagger UI. These required a lot of effort to customize.

      Writing and maintaining a Postman collection takes some work, but the resulting documentation site, interactivity and API testing tools are well worth it.

      See more
      Simon Reymann
      Senior Fullstack Developer at QUANTUSflow Software GmbH · | 27 upvotes · 4.2M views

      Our whole Node.js backend stack consists of the following tools:

      • Lerna as a tool for multi package and multi repository management
      • npm as package manager
      • NestJS as Node.js framework
      • TypeScript as programming language
      • ExpressJS as web server
      • Swagger UI for visualizing and interacting with the API’s resources
      • Postman as a tool for API development
      • TypeORM as object relational mapping layer
      • JSON Web Token for access token management

      The main reason we have chosen Node.js over PHP is related to the following artifacts:

      • Made for the web and widely in use: Node.js is a software platform for developing server-side network services. Well-known projects that rely on Node.js include the blogging software Ghost, the project management tool Trello and the operating system WebOS. Node.js requires the JavaScript runtime environment V8, which was specially developed by Google for the popular Chrome browser. This guarantees a very resource-saving architecture, which qualifies Node.js especially for the operation of a web server. Ryan Dahl, the developer of Node.js, released the first stable version on May 27, 2009. He developed Node.js out of dissatisfaction with the possibilities that JavaScript offered at the time. The basic functionality of Node.js has been mapped with JavaScript since the first version, which can be expanded with a large number of different modules. The current package managers (npm or Yarn) for Node.js know more than 1,000,000 of these modules.
      • Fast server-side solutions: Node.js adopts the JavaScript "event-loop" to create non-blocking I/O applications that conveniently serve simultaneous events. With the standard available asynchronous processing within JavaScript/TypeScript, highly scalable, server-side solutions can be realized. The efficient use of the CPU and the RAM is maximized and more simultaneous requests can be processed than with conventional multi-thread servers.
      • A language along the entire stack: Widely used frameworks such as React or AngularJS or Vue.js, which we prefer, are written in JavaScript/TypeScript. If Node.js is now used on the server side, you can use all the advantages of a uniform script language throughout the entire application development. The same language in the back- and frontend simplifies the maintenance of the application and also the coordination within the development team.
      • Flexibility: Node.js sets very few strict dependencies, rules and guidelines and thus grants a high degree of flexibility in application development. There are no strict conventions so that the appropriate architecture, design structures, modules and features can be freely selected for the development.
      See more
      RestSharp logo

      RestSharp

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      0
      Simple REST and HTTP API Client for .NET
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      PROS OF RESTSHARP
        Be the first to leave a pro
        CONS OF RESTSHARP
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          related RestSharp posts

          Insomnia REST Client logo

          Insomnia REST Client

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          635
          44
          The most intuitive cross-platform REST API Client 😴
          771
          635
          + 1
          44
          PROS OF INSOMNIA REST CLIENT
          • 16
            Easy to work with
          • 11
            Great user interface
          • 6
            Works with GraphQL
          • 4
            Cross platform, available for Mac, Windows, and Linux
          • 3
            Opensource
          • 2
            Vim and Emacs key map
          • 2
            Preserves request templates
          • 0
            Does not have history feature
          CONS OF INSOMNIA REST CLIENT
          • 4
            Do not have team sharing options
          • 2
            Do not store credentials in HTTP

          related Insomnia REST Client posts

          Jason Barry
          Cofounder at FeaturePeek · | 4 upvotes · 2.3M views

          We've tried a couple REST clients over the years, and Insomnia REST Client has won us over the most. Here's what we like about it compared to other contenders in this category:

          • Uncluttered UI. Things are only in your face when you need them, and the app is visually organized in an intuitive manner.
          • Native Mac app. We wanted the look and feel to be on par with other apps in our OS rather than a web app / Electron app (cough Postman).
          • Easy team sync. Other apps have this too, but Insomnia's model best sets the "set and forget" mentality. Syncs are near instant and I'm always assured that I'm working on the latest version of API endpoints. Apps like Paw use a git-based approach to revision history, but I think this actually over-complicates the sync feature. For ensuring I'm always working on the latest version of something, I'd rather have the sync model be closer to Dropbox's than git's, and Insomnia is closer to Dropbox in that regard.

          Some features like automatic public-facing documentation aren't supported, but we currently don't have any public APIs, so this didn't matter to us.

          See more
          OpenAPI logo

          OpenAPI

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          5
          Allows the owner of a network-accessible service to give universal access
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          + 1
          5
          PROS OF OPENAPI
          • 1
            The most popular api spec
          • 1
            Easy to learn
          • 1
            Supports versioning
          • 1
            Supports authentication
          • 1
            Supports caching
          CONS OF OPENAPI
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            related OpenAPI posts

            Joshua Dean Küpper
            CEO at Scrayos UG (haftungsbeschränkt) · | 4 upvotes · 451.4K views

            We use Swagger Inspector in conjunction with our universal REST-API "Charon". Swagger Inspector makes testing edge-cases hassle-free and lets testing look easy. Swagger Inspector was also a great help to explore the Mojang-API, that we are dependent on, because it is the central repository for minecraft-account-data.

            We previously used Postman but decided to switch over to Swagger Inspector because it also integrated seamlessly into Swagger UI, which we use for displaying our OpenAPI specification of said REST-API.

            See more
            Retrofit logo

            Retrofit

            349
            197
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            A type-safe HTTP client for Android and Java
            349
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            PROS OF RETROFIT
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              CONS OF RETROFIT
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                OpenAPI Specification logo

                OpenAPI Specification

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                144
                10
                An API description format for REST APIs
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                10
                PROS OF OPENAPI SPECIFICATION
                • 5
                  API Documentation
                • 5
                  API Specification
                CONS OF OPENAPI SPECIFICATION
                  Be the first to leave a con

                  related OpenAPI Specification posts