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Starred repositories

127 stars written in Java
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Design patterns implemented in Java

Java 93,959 27,372 Updated Mar 20, 2026

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Java 80,540 41,901 Updated Apr 30, 2026

Spring Framework

Java 59,883 38,840 Updated Apr 30, 2026

Google core libraries for Java

Java 51,498 11,142 Updated Apr 30, 2026

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Java 48,288 7,589 Updated Apr 29, 2026

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

Java 41,564 26,471 Updated Apr 29, 2026

Open Source Identity and Access Management For Modern Applications and Services

Java 34,152 8,298 Updated Apr 30, 2026

快速、简洁、解决大文件内存溢出的java处理Excel工具

Java 33,741 7,605 Updated Oct 29, 2024

A distributed task scheduling framework.(分布式任务调度平台XXL-JOB)

Java 30,115 11,467 Updated Apr 5, 2026

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

Java 29,767 10,185 Updated Apr 18, 2026

Apache Flink

Java 25,968 13,925 Updated Apr 30, 2026

AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.

Java 25,462 2,789 Updated Apr 25, 2026

APM, Application Performance Monitoring System

Java 24,793 6,644 Updated Apr 30, 2026

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

Java 24,314 5,487 Updated Apr 30, 2026

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

Java 23,633 805 Updated Jul 15, 2024

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

Java 21,569 1,790 Updated Apr 30, 2026

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Java 21,106 3,012 Updated Nov 4, 2025

High Performance Inter-Thread Messaging Library

Java 18,321 3,969 Updated Apr 2, 2025

Zipkin is a distributed tracing system

Java 17,435 3,105 Updated Apr 8, 2026

Graphs for Everyone

Java 16,402 2,596 Updated Apr 23, 2026

Most popular Mocking framework for unit tests written in Java

Java 15,431 2,654 Updated Apr 16, 2026

Apache Doris is an easy-to-use, high performance and unified analytics database.

Java 15,276 3,767 Updated Apr 30, 2026

Apache Druid: a high performance real-time analytics database.

Java 13,985 3,777 Updated Apr 30, 2026

🔎 Open source distributed and RESTful search engine.

Java 12,839 2,542 Updated Apr 30, 2026

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Java 12,767 3,586 Updated Apr 30, 2026

Open-Source Web UI for Apache Kafka Management

Java 12,066 1,387 Updated Jul 26, 2024

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

Java 9,727 3,860 Updated Apr 30, 2026

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Java 8,633 1,829 Updated Apr 30, 2026

An annotation processor for generating type-safe bean mappers

Java 7,653 1,019 Updated Apr 26, 2026

Java DSL for easy testing of REST services

Java 7,127 1,932 Updated Feb 4, 2026
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