Microservice GitHub Repositories (2026) · Open Source Tools

Fast and secure standalone server for resizing, processing, and converting images on the fly

Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.

The Cloud Native Application Proxy

High performance, minimalist Go web framework

Dapr is a portable runtime for building distributed applications across cloud and edge, combining event-driven architecture with workflow orchestration.

Connect, secure, control, and observe services.

🍃summer-rs is a application framework written in rust inspired by java's spring-boot

Self-Hosted API Management for Builders

A cloud-native Go microservices framework with cli tool for productivity.

Kora is simple, easy, performant Java & Kotlin comprehensive framework for backend applications

KrakenD Community Edition: High-performance, stateless, declarative, API Gateway written in Go.

: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.

A simple and modern Java and Kotlin web framework

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

open source Kubernetes-native API gateway for microservices built on the Envoy Proxy

A fast, lightweight and more productive microservices framework

🔥 Java enterprise application development framework for full scenario: Restrained, Efficient, Open, Ecologicalll!!! 700% higher concurrency 50% memory savings Startup is 10 times faster. Packing 90% smaller; Compatible with java8 ~ java26; Supports LTS. (Replaceable spring)

Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box.

Distributed Big Data Orchestration Service