Hoppscotch — #2 Alternative to Postman

Name: Hoppscotch
Rating: 4.87 (1243 reviews)

Instant open-source web and desktop API development ecosystem

Loads instantaneously in the browser or lightweight Tauri desktop app with REST, GraphQL, WebSocket, SSE, and MQTT testing.

License: MIT · Pricing: Free & Open Source · Compare all Postman alternatives · Official Website