Insomnium Alternatives

Insomnium is described as 'Fast local API testing tool that is privacy-focused and 100% local. For testing GraphQL, REST, WebSockets and gRPC. This is a fork of Kong/insomnia' and is a API Client in the development category. There are more than 25 alternatives to Insomnium for a variety of platforms, including Linux, Mac, Windows, Flathub and Flatpak apps. The best Insomnium alternative is Bruno, which is both free and Open Source. Other great apps like Insomnium are Postman, Insomnia REST Client, Yaak and Hoppscotch.

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Insomnium alternatives page was last updated

Alternatives list

  1. RecipeUI icon
     5 likes

    RecipeUI is rethinking how we use API tools like Postman or Insomnia. We're starting off with TypeScript powered API requests and API collections you can run in seconds!

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Mac
    • Windows
     
  2. Chapar icon
     Like

    Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.

    Cost / License

    Application types

    Platforms

    • Mac
    • Linux
     
  3. OpenReq icon
     2 likes

    Build, test, and debug your APIs with a self-hosted tool that does what you actually need. Scripts, environments, OAuth 2.0, code generation, and an AI wizard that builds collections from your docs — no account required, no limits.

    7 OpenReq alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
    • Docker
    • Self-Hosted
     
  4. Hello HTTP icon
     1 like

    A cross-platform HTTP client desktop application for testing HTTP and REST APIs, WebSocket, GraphQL (including subscriptions) and gRPC endpoints.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  5. Restretto icon
     1 like

    Minimal native and free REST API client for Mac.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Mac
     
  6. Tigrister icon
     1 like

    A fast Desktop API client. Design OpenAPI specs visually. Linear and Visual Flow runner. API testing with assertions. Debug with timing breakdowns — with HTTP/GraphQL/WebSocket/SSE support.

    24 Tigrister alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    • Mac
    • Linux
     
  7. Api Quest icon
     1 like

    Api Quest is a desktop application designed for executing HTTP requests, storing them on the local file system, and providing portability. Whether you're a developer, QA or system engineer, this tool offers solution for handling HTTP requests effectively.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    • Linux
     
  8. GetAPI icon
     Like

    GetAPI is a native macOS app that simplifies REST API testing by allowing users to import from Postman, make HTTP requests, and view responses in a streamlined interface.

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
     
  9. API Dash icon
     Like

    API Dash is a beautiful open-source cross-platform API Client built using Flutter which can help you easily create & customize your API requests, visually inspect responses and generate API integration code. A lightweight alternative to postman/insomnia.

    Cost / License

    Application types

    Platforms

    • Windows
    • Mac
    • Linux
    • Debian
    • Ubuntu
    • Linux Mint
    • Fedora
    • Red Hat Enterprise Linux
    • CentOS
     
  10. Escambo icon
     Like

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

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
     
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