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Open source alternatives to Postman

API testing and development. 3 open source projects replace it, led by Hoppscotch with 81k GitHub stars. Licenses and stars are read from GitHub.

  1. #1

    Hoppscotch

    ★ 81k

    Lightweight open source API development ecosystem.

    MITLast commit 2026-10-12View on GitHub ↗
  2. #2

    Bruno

    ★ 47k

    Git-friendly offline API client.

    MITLast commit 2026-10-12View on GitHub ↗
  3. #3

    Pororoca

    ★ 670

    An API testing tool with support for HTTP/2 and HTTP/3. Alternative to Postman.

    NOASSERTIONLast commit 2026-10-11View on GitHub ↗

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