Top MICROSERVICES 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.

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Open-source IoT Platform - Device management, data collection, processing and visualization.

Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

Golang client for NATS, the cloud native messaging system.

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.

The no-magic web API and microservices framework for Python developers, with a focus on reliability and performance at scale.

Micronaut Application Framework

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.

Integration with Netflix OSS components

An API Gateway built on Spring Framework and Spring Boot providing routing and more.

Production-ready C++ Asynchronous Framework with rich functionality

A framework for building messaging apps with .NET and C#.

External configuration (server and client) for Spring Cloud

Distributed Big Data Orchestration Service

Rust client for NATS, the cloud native messaging system.

.NET Components for Externalized Configuration, Database Connectors, Service Discovery, Logging and Distributed Tracing, Application Management, Security, and more.

Stylish Graph APIs, built on JSON:API

A networking framework that evolves with your application