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Top 23 Java Microservice Projects
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Nacos
an easy-to-use dynamic service discovery, configuration and service management platform for building cloud native applications.
Project mention: Nacos: Dynamic Naming and Configuration Service | news.ycombinator.com | 2024-04-07 -
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Seata
:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.
Project mention: Incubator-Seata: Simplify Distributed Transactions with Open Source Efficiency | news.ycombinator.com | 2024-08-06 -
Sentinel
A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)
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Project mention: A Lean Decision-Making Approach for Choosing Java Frameworks with Architecture Decision Records | dev.to | 2025-02-26
Quarkus Official Documentation
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Micronaut for Microservices Micronaut is a modern Java framework built for microservices. It starts quickly, uses minimal memory, and is highly testable, making it perfect for cloud-native applications.
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Solon
🔥 Java enterprise application development framework for full scenario: Restrained, Efficient, Open, Ecologicalll!!! 300% higher concurrency 50% memory savings Startup is 10 times faster. Packing 90% smaller; Compatible with java8 ~ java23. (Replaceable spring)
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eventmesh
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
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ActiveJ
ActiveJ is an alternative Java platform built from the ground up. ActiveJ redefines core, web and high-load programming in Java, providing simplicity, maximum performance and scalability
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quickperf
QuickPerf is a testing library for Java to quickly evaluate and improve some performance-related properties
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proteus
Proteus is a blazing fast minimalist Java web server framework built atop Undertow. (by noboomu)
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TeaStore
A micro-service reference test application for model extraction, cloud management, energy efficiency, power prediction, single- and multi-tier auto-scaling
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Java Microservice discussion
Java Microservice related posts
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Top Backend Technologies for Scalable Web Development
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A Lean Decision-Making Approach for Choosing Java Frameworks with Architecture Decision Records
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Your First Open Source Contribution: A Beginner's Guide
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Java Can Be Serverless Too: Using GraalVM for Fast Cold Starts
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JPA entity relationship with Micronaut data JDBC
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Choosing the Right Java Microservices Framework: Spring Boot, Quarkus, Micronaut, and Beyond
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Spring-rs is a microservice framework in Rust inspired by Java's spring-boot
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A note from our sponsor - SaaSHub
www.saashub.com | 23 Mar 2025
Index
What are some of the best open-source Microservice projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Nacos | 30,991 |
| 2 | Seata | 25,546 |
| 3 | Sentinel | 22,632 |
| 4 | Quarkus | 14,221 |
| 5 | piggymetrics | 13,411 |
| 6 | Eureka | 12,509 |
| 7 | Micronaut | 6,187 |
| 8 | JDA | 4,436 |
| 9 | Light-Java | 3,636 |
| 10 | kubernetes-client | 3,483 |
| 11 | Solon | 2,437 |
| 12 | eventmesh | 1,639 |
| 13 | problem-spring-web | 1,048 |
| 14 | ActiveJ | 935 |
| 15 | restheart | 820 |
| 16 | Pippo | 785 |
| 17 | CosId | 532 |
| 18 | quickperf | 496 |
| 19 | scalardb | 484 |
| 20 | consul-api | 416 |
| 21 | proteus | 188 |
| 22 | OpenL Tablets | 164 |
| 23 | TeaStore | 128 |
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