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Open Source Projects tagged "Api Client"

A curated collection of the best open source projects tagged "Api Client". Each listing includes a website screenshot along with a detailed review of its features.

Hoppscotch

Sleek, intuitive API development and testing platform

  • Stars

    80,766

  • Last commit

    3 days ago

  • License

    MIT
Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Open Source Alternative to:

Postman

Bruno

Lightweight, fast, and open-source API client for developers

  • Stars

    48,274

  • Last commit

    2 days ago

  • License

    MIT
A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

Open Source Alternative to:

Postman

Insomnia

Powerful API development and testing made effortless

  • Stars

    40,132

  • Last commit

    9 hours ago

  • License

    Apache-2.0
Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.

Open Source Alternative to:

Postman

Scalar

Open-source API documentation and testing platform

  • Stars

    16,384

  • Last commit

    8 hours ago

  • License

    MIT
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.

Open Source Alternative to:

Postman

Nango

Build product integrations with 500+ APIs in hours

  • Stars

    Stars growing over the last 30 days13,146

  • Last commit

    2 days ago

  • License

    Elastic-2.0
Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

Open Source Alternative to:

Pipedream

Requestly

Intercept, modify, and debug HTTP(S) requests effortlessly

  • Stars

    6,758

  • Last commit

    2 days ago

  • License

    AGPL-3.0
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing

Open Source Alternative to:

Postman

HTTPie

Modern command-line HTTP client for the API era

  • Stars

    4,055

  • Last commit

    2 years ago

  • License

    BSD-3-Clause
Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

Open Source Alternative to:

Postman

Firecamp

Unified API development ecosystem for modern teams

  • Stars

    2,618

  • Last commit

    8 months ago

  • License

    AGPL-3.0
All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.

Open Source Alternative to:

Postman

Voiden

Build APIs like code with Git-native workspace

  • Stars

    1,785

  • Last commit

    4 days ago

  • License

    Apache-2.0
Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.

Open Source Alternative to:

Postman

Chapar

Fast, secure, offline API client for REST and gRPC

  • Stars

    730

  • Last commit

    4 days ago

  • License

    BSD-3-Clause
Cross-platform API client offering fast, secure, and offline testing for REST and gRPC services. Available on macOS, Windows, and Linux with intuitive design.

Open Source Alternative to:

Postman
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