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Starred repositories

125 stars written in Java
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Design patterns implemented in Java

Java 93,520 27,362 Updated Oct 21, 2025

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

Java 79,413 41,737 Updated Dec 19, 2025

Spring Framework

Java 59,379 38,884 Updated Dec 19, 2025

Google core libraries for Java

Java 51,351 11,114 Updated Dec 18, 2025

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

Java 48,486 7,611 Updated Dec 17, 2025

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

Java 41,654 26,560 Updated Dec 19, 2025

快速、简洁、解决大文件内存溢出的java处理Excel工具

Java 33,731 7,647 Updated Oct 29, 2024

Open Source Identity and Access Management For Modern Applications and Services

Java 31,783 7,903 Updated Dec 19, 2025

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

Java 29,744 10,215 Updated Dec 14, 2025

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

Java 29,702 11,410 Updated Dec 14, 2025

Apache Flink

Java 25,615 13,807 Updated Dec 19, 2025

🔥🔥🔥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 24,835 2,707 Updated Dec 19, 2025

APM, Application Performance Monitoring System

Java 24,653 6,622 Updated Dec 17, 2025

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 24,174 5,508 Updated Dec 17, 2025

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

Java 23,038 784 Updated Jul 15, 2024

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

Java 21,370 1,762 Updated Dec 19, 2025

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

Java 20,909 3,006 Updated Nov 4, 2025

High Performance Inter-Thread Messaging Library

Java 18,139 3,961 Updated Apr 2, 2025

Zipkin is a distributed tracing system

Java 17,370 3,105 Updated Aug 15, 2025

Graphs for Everyone

Java 15,575 2,545 Updated Dec 19, 2025

Most popular Mocking framework for unit tests written in Java

Java 15,342 2,647 Updated Dec 16, 2025

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

Java 14,761 3,652 Updated Dec 19, 2025

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

Java 13,898 3,769 Updated Dec 19, 2025

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

Java 12,311 3,414 Updated Dec 19, 2025

🔎 Open source distributed and RESTful search engine.

Java 12,071 2,352 Updated Dec 19, 2025

Open-Source Web UI for Apache Kafka Management

Java 11,708 1,355 Updated Jul 26, 2024

Apache Cassandra®

Java 9,541 3,810 Updated Dec 19, 2025

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 8,537 1,776 Updated Dec 15, 2025

An annotation processor for generating type-safe bean mappers

Java 7,577 1,008 Updated Aug 30, 2025

Java DSL for easy testing of REST services

Java 7,086 1,920 Updated Dec 18, 2025
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