Top MICROSERVICE 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.

The Cloud Native Application Proxy

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

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

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.

:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.

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

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.

Java libraries for writing microservices

A fast, lightweight and more productive microservices framework

Production-ready C++ Asynchronous Framework with rich functionality

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