GitHub stars · StarDay

1apache / dubboThe java implementation of Apache Dubbo. An RPC and microservice framework.JavaApache-2.0 · Permissive41,571

2Kong / insomniaThe open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.TypeScriptApache-2.0 · Permissive40,135

3conductor-oss / conductorConductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI AgentsJavaApache-2.0 · Permissive32,433

4google / flatbuffersFlatBuffers: Memory Efficient Serialization LibraryC++Apache-2.0 · Permissive26,618

5go-kratos / kratosYour ultimate Go microservices framework for the cloud-native era.GoMIT · Permissive26,015

6grpc / grpc-goThe Go language implementation of gRPC. HTTP/2 based RPCGoApache-2.0 · Permissive23,106

7jina-ai / serve☁️ Build multimodal AI applications with cloud-native stackPythonApache-2.0 · Permissive21,849

8GoogleCloudPlatform / microservices-demoSample cloud-first application with 10 microservices showcasing Kubernetes, Istio, and gRPC.GoApache-2.0 · Permissive21,156

9gofr-dev / gofrAn opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.GoApache-2.0 · Permissive20,817

10grpc-ecosystem / grpc-gatewaygRPC to JSON proxy generator following the gRPC HTTP specGoBSD-3-Clause · Permissive20,010

11mountain-loop / yaakThe most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬TypeScriptMIT · Permissive19,454

12weaviate / weaviateWeaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.GoLicense not declared16,940

13fullstorydev / grpcurlLike cURL, but for gRPC: Command-line tool for interacting with gRPC serversGoMIT · Permissive12,873

14grpc / grpc-rustA native gRPC client & server implementation with async/await support.RustMIT · Permissive12,528

15kubeshark / kubesharkeBPF-powered network observability for Kubernetes. Indexes L4/L7 traffic with full K8s context, decrypts TLS without keys. Queryable by AI agents via MCP and humans via dashboard.GoApache-2.0 · Permissive12,131

16grpc / grpc-javaThe Java gRPC implementation. HTTP/2 based RPCJavaApache-2.0 · Permissive12,077

17bufbuild / bufAuthor description: The best way of working with Protocol Buffers.GoApache-2.0 · Permissive11,516

18siderolabs / talosTalos Linux is a modern Linux distribution built for Kubernetes.GoMPL-2.0 · Share derivative source11,475

19centrifugal / centrifugoScalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.GoApache-2.0 · Permissive10,952

20TykTechnologies / tykOpen Source API and AI Gateway supporting REST, GraphQL, TCP, gRPC and MCP (Model Context Protocol)GoLicense not declared10,877