1.Kong / insomniaThe open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.electron-apprest-apiapi-clientcurlhttp-clientgraphql+4 moreTypeScriptAPACHE-2.040K total2.4K forks+350 starsfrom 39,756 · score 5.86