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Top JavaScript Mocking Libraries 2025

GitHub Libraries JavaScript Mocking Libraries

typicode/json-server 74K +59

added 4 months ago

Get a full fake REST API with zero coding in less than 30 seconds (seriously).

mswjs/msw 16K +40

added 4 months ago

Industry standard API mocking for JavaScript.

nock/nock 12K +9

added 4 months ago

HTTP server mocking and expectations library for Node.js

mockoon/mockoon 7K +186

added 4 months ago

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

miragejs/miragejs 5K

added 4 months ago

A client-side server to build, test and share your JavaScript app

ctimmerm/axios-mock-adapter 3K +3

added 2 months ago

Axios adapter that allows to easily mock requests

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