HarborClient Alternatives

HarborClient is described as 'Free, open-source desktop API client for macOS, Windows, and Linux. It gives you a familiar Postman-style workspace—collections, environments, request scripts, and a tabbed editor—while keeping your work on your machine or on storage you control' and is an app in the development category. There are more than 50 alternatives to HarborClient for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best HarborClient alternative is Bruno, which is both free and Open Source. Other great apps like HarborClient are Postman, Insomnia REST Client, Yaak and Hoppscotch.

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Alternatives list

  1. Requester icon
     4 likes

    HTTP client plugin for Sublime Text with an expansive feature set, modern UX, elegant syntax and first class support for testing.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
     
  2. KeyRunner icon
     1 like

    The Zero Trust API Client - A Secure & Free Alternative to Postman , Insomnia & Thunder Client.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Visual Studio Code
     
  3. Lama2 icon
     2 likes

    Lama2 defines the human-friendly l2 syntax and CLI for describing and executing APIs. Store your APIs in plain-text files. Collaborate with team using version control (say, git). Run Lama2 directly from VSCode extension. Think of Lama2 as Markdown for APIs.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
     
  4. httpiness icon
     2 likes

    Httpiness is aimed to be a simple, straightforward HTTP client which minimizes time to configure, send, reconfigure and resend requests in order to maximize development efficiency.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
     
  5. Apiman icon
     4 likes

    apiman is an open source API management layer that streamlines repetitive tasks often required when providing an API, such as implementing security, throttling and billing.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
     
  6. API Test Base is a free, offline-first tool for testing APIs and their side effects — the records an API writes to a database, the messages it publishes to a queue, the downstream services it calls. Test cases are created with a no-code / low-code UI, and the same tests can be...

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Docker
    • Linux
     
  7. RestCase icon
     1 like

    RestCase is a security-focused API development platform that enables its users to rapidly create secure microservices, mock them in order to start testing, monitor APIs and collaborate on their development and testing.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
  8. 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
     
  9. API Astrolab icon
     1 like

    The API Astrolab enables today’s API-first companies to show their API products in a visual way so that anyone can understand how they work.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  10. EchoAPI icon
     Like

    EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Google Chrome
    • Visual Studio Code
    • IntelliJ IDEA
     
  11. APITree icon
     1 like

    APITree is a free cloud-based API tool to create, manage and share OpenAPI specifications. It converts your OpenApi v2 / v3 specification into a beautiful technical API documentation. Public API documentation is hosted for free.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  12. Talend API Tester makes it easy to invoke, discover and test HTTP and REST APIs.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Google Chrome
     
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