1.mswjs / mswThe industry standard for API mocking in JavaScript.mswmockmocking-frameworkservice-workermock-service-workermocking+5 moreTypeScriptMIT18K total644 forks+16 starsfrom 18,310 · score 2.83
2.mockoon / mockoonMockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.mockserverrest-apirestapplicationelectron+12 moreTypeScriptMIT8.5K total483 forks+9 starsfrom 8,458 · score 2.30
3.stoplightio / prismTurn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.oasprismmockingapi-testinghttp-proxyswagger+9 moreTypeScriptAPACHE-2.05.1K total414 forks+7 starsfrom 5,057 · score 2.08
4.tianchangNorth / pocket-mockerIn-page HTTP controller for frontend development. Intercept, modify, and simulate API responses directly in the browser.apidevtoolsmockmockingwebdeveloper-tools+7 moreTypeScriptMIT524 total28 forks+1 starsfrom 524 · score 0.69