Top GRPC GitHub Repositories & Tools (2026)

Flight booking system built as .NET 10 microservices with Vertical Slice Architecture, DDD, CQRS, Event Sourcing, gRPC, RabbitMQ, Wolverine, PostgreSQL, MongoDB and .NET Aspire.

Dynamic, resilient AI orchestration. Coordinate data, models, and compute as you build AI workflows.

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.

gRPC to JSON proxy generator following the gRPC HTTP spec

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.

Unified Realtime/API framework for .NET platform and Unity.

Production-ready C++ Asynchronous Framework with rich functionality

A networking framework that evolves with your application

Document Store for collaborative applications

Batteries-included backend that works with any stack.

Homebrew tap for PHP extensions :beers:

An implementation of the ConnectRPC, gRPC, and gRPC-Web for Rust

A message passing platform for Go

Hardware testing for the software world. Real or virtual, local or remote, human, automated or agentic.

Tetiva — desktop API client for HTTP, gRPC, GraphQL and WebSocket (Wails v3 + Vue 3)

Scalable Nx monorepo starter for Angular and NestJS apps with Firebase, Electron, Capacitor, GraphQL, testing, and CI automation.

KEDA External gRPC Scaler for GPU workloads - native NVML metrics via DaemonSet, no Prometheus required

The open source, no-code MCP Server for AI-Native API Access