Software Alternatives, Accelerators & Startups

Requester

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

Best Requester Alternatives & Competitors in 2025

The best Requester alternatives based on verified products, community votes, reviews and other factors.
Filter: 10 Open-Source Alternatives. Latest update:

  1. 11

    The Collaboration Platform for API Development

    Open Source

    /postman-alternatives
  2. Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

    Open Source

    /insomnia-rest-alternatives
  3. Clear, Fast & Unlimited. Residential & Mobile Proxies For Best Price.

    Try for free paid Free Trial $3.0 (3$ per 1 Gb)

    Try for free
  4. Paw is a REST client for Mac.

    /rapidapi-for-mac-alternatives
  5. SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.

    /soapui-alternatives
  6. An online, open source API request builder

    Open Source

    /postwoman-alternatives
  7. A REST client for almost any web service (Firefox and Chrome extension).

    /rester-alternatives
  8. Nightingale is a fast, resource-efficient, and full-fledged REST API client for Windows 10.

    /nightingale-rest-api-client-alternatives
  9. API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing...

    /iron-test-alternatives
  10. A Simple Windows application to help developers debug REST based services.

    /windows-restclient-alternatives
  11. Open source API development ecosystem

    Open Source freemium

    /hoppscotch-alternatives
  12. cURL is a computer software project providing a library and command-line tool for transferring data...

    Open Source

    /curl-alternatives
  13. API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.

    /api-test-base-alternatives
  14. Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

    Open Source freemium €7.0 / Monthly (for a Pro subscription)

    /http-toolkit-alternatives
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