Free / Open Source Alterative to Postman

Our great sponsors

SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App

InfluxDB - Power Real-Time Data Analytics at Scale

WorkOS - The modern identity platform for B2B SaaS

Our great sponsors

bruno

55 18,935 9.9 JavaScript

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

Had the same issue, now we are using Bruno: https://www.usebruno.com/

hello-http

7 50 9.7 Kotlin

A cross-platform HTTP client desktop application for testing HTTP and REST APIs, WebSocket, GraphQL (including subscriptions) and gRPC endpoints.
SurveyJS

surveyjs.io sponsored

Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

Suggest a related project