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Open Source Projects tagged "Postman Alternative"

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

Yaak

Fast, secure, offline API client with Git integration

  • Stars

    19,399

  • Last commit

    21 hours ago

  • License

    MIT
A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.

Open Source Alternative to:

Postman

Requestly

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

  • Stars

    6,761

  • Last commit

    17 hours 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

Voiden

Build APIs like code with Git-native workspace

  • Stars

    Stars growing over the last 30 days2,008

  • Last commit

    16 hours 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

    728

  • 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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