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Starred repositories

330 stars written in Java
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Design patterns implemented in Java

Java 93,954 27,380 Updated Mar 20, 2026

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

Java 80,499 41,893 Updated Apr 27, 2026

Free and Open Source, Distributed, RESTful Search Engine

Java 76,592 25,863 Updated Apr 27, 2026

Ghidra is a software reverse engineering (SRE) framework

Java 67,740 7,437 Updated Apr 27, 2026

Everything you need to know to get the job.

Java 64,946 12,909 Updated May 12, 2025

Free universal database tool and SQL client

Java 49,770 4,145 Updated Apr 27, 2026

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

Java 48,286 7,589 Updated Apr 22, 2026

Dex to Java decompiler

Java 48,268 5,502 Updated Apr 27, 2026

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

Java 41,565 26,474 Updated Apr 27, 2026

A libre lightweight streaming front-end for Android.

Java 37,921 3,551 Updated Apr 27, 2026

Render After Effects animations natively on Android and iOS, Web, and React Native

Java 35,612 5,434 Updated Feb 15, 2026

Open Source Identity and Access Management For Modern Applications and Services

Java 34,102 8,284 Updated Apr 27, 2026

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Java 33,917 9,432 Updated Apr 20, 2026

Apache Kafka - A distributed event streaming platform

Java 32,467 15,143 Updated Apr 27, 2026

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

Java 29,759 10,184 Updated Apr 18, 2026

Telegram for Android source

Java 28,974 9,493 Updated Apr 6, 2026

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Java 26,169 7,497 Updated Apr 27, 2026

Apache Flink

Java 25,966 13,925 Updated Apr 27, 2026

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

Java 25,674 6,436 Updated Jul 16, 2024

Bind Android views and callbacks to fields and methods.

Java 25,390 4,560 Updated Sep 2, 2023

a fast, scalable, multi-language and extensible build system

Java 25,345 4,451 Updated Apr 27, 2026

Jenkins automation server

Java 25,238 9,465 Updated Apr 27, 2026

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

Java 24,459 4,696 Updated Dec 17, 2025

A Java serialization/deserialization library to convert Java Objects into JSON and back

Java 24,212 4,428 Updated Apr 23, 2026

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

Java 22,424 11,983 Updated Apr 23, 2026

Open-source IoT Platform - Device management, data collection, processing and visualization.

Java 21,609 6,249 Updated Apr 27, 2026

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

Java 21,569 1,790 Updated Apr 27, 2026

IntelliJ IDEA & IntelliJ Platform

Java 20,029 5,810 Updated Apr 27, 2026

RxJava bindings for Android

Java 20,004 2,941 Updated Mar 24, 2026

Zipkin is a distributed tracing system

Java 17,434 3,103 Updated Apr 8, 2026
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