Hoppscotch
hoppscotch.io
Open-source API development ecosystem that runs entirely in your browser.
Hoppscotch is a lightweight, fast alternative to Postman for testing REST, GraphQL, WebSocket, and SSE APIs. Everything runs in the browser with no installation required, and it supports collections, environments, and team collaboration.
Why it is useful
Zero-install API testing that loads in under a second. The keyboard shortcuts and minimalist interface make rapid API exploration significantly faster than heavyweight desktop clients.
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