Microservices GitHub Repositories (2026) · Open Source Tools

ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.

Production-ready C++ Asynchronous Framework with rich functionality

Test Automation Made Simple

Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.

Core package for defining and running durable workflows and activities. Supports long-running persistent workflows, retries, queues, parallel execution, workflow monitoring, dedicated storage connections, and orchestration for microservices, data pipelines, sagas, agentic workflows, and other complex business processes.

The java implementation of Apache Dubbo. An RPC and microservice framework.

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.

lightweight, idiomatic and composable router for building Go HTTP services

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 infrastructure platform for the intelligence era

A Chaos Engineering Platform for Kubernetes.

The Modern Application Platform.

🚀 A coroutine framework that focuses on hyperspeed and flexibility. Building microservice or middleware with ease.

Design-first Go framework that generates API code, documentation, and clients. Define once in an elegant DSL, deploy as HTTP and gRPC services with zero drift between code and docs.

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.

Modern circuit breaker for Ruby & Rails. Thread-safe, fiber-ready async support. Built-in fallbacks, rich introspection, clean DSL. Memory-efficient with jitter & monitoring.

The ops and reference implementation for Apache Dubbo.

🐻 The multi-zone service mesh for containers, Kubernetes and VMs. Built with Envoy. CNCF Sandbox Project.

Kubernetes integration with Spring Cloud Discovery Client, Configuration, etc...