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'. There are more than 50 alternatives to Thunder Client for a variety of platforms, including Mac, Windows, Linux, Online / Web-based and SaaS. The best alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like Thunder Client are Postman (Freemium), HTTPie (Free, Open Source), Paw (Paid) and soapUI (Free, Open Source).

    This page was last updated Jun 20, 2021

    1. Debug APIs like a human, not a robot. Insomnia is a simple yet powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
      show more
    2. Postman is a tool that facilitates the development and use of APIs. Postman provides all the functionality needed to create or simulate API specifications and use the Postman Collection Runner to create tests.
      show more


    3. HTTPie—aitch-tee-tee-pie—is a user-friendly command-line HTTP client for the API era. It comes with JSON support, syntax highlighting, persistent sessions, wget-like downloads, plugins, and more.
      show more
    4. Easily craft your HTTP requests, try them, archive them. Setup HTTP Headers, URL parameters, form-encoded POST key-values or text. Get easy-to-read responses with well formatted headers and body. Sync your projects with your team through Paw for Teams.
      show more
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      Eviware, the maker of soapUI, Web Service Testing Leader
      show more


    5. Hoppscotch is an open-source API request builder. It helps you create your requests faster, saving you precious time on your development. Features ? ?? Lightweight: Crafted with minimalistic UI design. ?? Fast: Send requests and get/copy responses in real-time.
      show more
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Chrome OS
      • Google Chrome
      • Chromium
      • Chrome Web Store
      Cross platform API testing Use ARC on any major platforms including Windows, MacOS and Linux. Simplicity Easy and clean user inteface helps you make test request faster.
      show more
    6. HTTP Toolkit is a beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools from Docker to Android to GraphQL.
      No screenshots yet
      • FreeOpen Source
      • Self-Hosted
      • Software as a Service (SaaS)
      Don’t just check for 200’s, model complex customer flows and monitor their realtime performance from around the world. Get notified the instant something goes wrong.
      • Free PersonalOpen Source
      • Mac
      • Windows
      • Linux
      • Online
      Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
    Showing 10 of 51 alternatives