1.mswjs / mswThe industry standard for API mocking in JavaScript.mswmockmocking-frameworkservice-workermock-service-workermocking+5 moreTypeScriptMIT18K total644 forks+86 starsfrom 18,240 · score 4.47
2.SpectoLabs / hoverflyLightweight service virtualization/ API simulation / API mocking tool for developers and testersapi-simulationgolangproxymitmtesting-toolsmocking+10 moreGoAPACHE-2.02.5K total232 forks+12 starsfrom 2,521 · score 2.56
3.getmockd / mockdHigh-performance, multi-protocol mock server. HTTP, WebSocket, gRPC, MQTT, SSE, GraphQL, SOAP in one binary.api-mockingclideveloper-toolsgolanggraphqlgrpc+9 moreGoAPACHE-2.0153 total8 forks+4 starsfrom 147 · score 1.61