Thunder Client Alternatives

Thunder Client is described as 'Hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace' and is a API Client in the development category. There are more than 50 alternatives to Thunder Client for a variety of platforms, including Mac, Windows, Linux, Web-based and Google Chrome apps. The best Thunder Client alternative is Bruno, which is both free and Open Source. Other great apps like Thunder Client are Postman, Insomnia REST Client, Yaak and Hoppscotch.

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Alternatives
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Alternatives list

  1. TestMace icon
     7 likes

    Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  2. RequesterX icon
     2 likes

    RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    Good alternative?
     
  3. Routebase icon
     1 like

    Routebase keeps your API's design, docs, mock servers, contract tests and monitoring in one living OpenAPI spec so they can't drift apart.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  4. CurlHub.io icon
     1 like

    API Traffic Inspector.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
  5. Loadmill icon
     5 likes

    Loadmill helps developers easily create the tests required for continuous delivery by analyzing user behavior. Loadmill automates backend regression testing by replaying real user behavior. Through the use of smart recordings, the platform can create and replay thousands of...

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  6. Step CI icon
     1 like

    Open-source API Test Automation framework.

    Cost / License

    Platforms

    • Self-Hosted
    Good alternative?
     
  7. Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    Good alternative?
     
  8. Resting icon
     Like

    browser web-extension to test and analyze HTTP requests.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Chromium
    • Firefox
    Good alternative?
     
  9. Escambo icon
     Like

    Escambo is an HTTP-based APIs test application for GNOME.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Good alternative?
     
  10. Lightweight, free and open-source offline REST and GraphQL API client for Visual Studio Code. A privacy-focused client for testing APIs, HTTP requests and web services.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Cursor
    • Windsurf
    • Visual Studio Code
    Good alternative?
     
  11. Main goal of this VSCode extension is storing all HTTP request & response data automatically as files in a VSCode workspace.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  12. GetIt icon
     Like

    Send HTTP requests to API endpoints. GetIt's main focus is to make your life a lot easier when you have to test APIs or use somebody else's API.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Good alternative?
     
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