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Starred repositories

330 stars written in Java
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Design patterns implemented in Java

Java 93,878 27,364 Updated Mar 20, 2026

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

Java 80,433 41,894 Updated Apr 18, 2026

Free and Open Source, Distributed, RESTful Search Engine

Java 76,538 25,852 Updated Apr 19, 2026

Ghidra is a software reverse engineering (SRE) framework

Java 67,364 7,407 Updated Apr 15, 2026

Everything you need to know to get the job.

Java 64,925 12,910 Updated May 12, 2025

Free universal database tool and SQL client

Java 49,645 4,118 Updated Apr 18, 2026

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

Java 48,332 7,593 Updated Apr 16, 2026

Dex to Java decompiler

Java 48,135 5,495 Updated Apr 14, 2026

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

Java 41,593 26,482 Updated Apr 18, 2026

A libre lightweight streaming front-end for Android.

Java 37,846 3,541 Updated Apr 18, 2026

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

Java 35,604 5,435 Updated Feb 15, 2026

Open Source Identity and Access Management For Modern Applications and Services

Java 33,953 8,258 Updated Apr 19, 2026

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

Java 33,918 9,434 Updated Apr 8, 2026

Apache Kafka - A distributed event streaming platform

Java 32,402 15,124 Updated Apr 18, 2026

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

Java 29,752 10,190 Updated Apr 18, 2026

Telegram for Android source

Java 28,956 9,451 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 26,134 7,495 Updated Apr 18, 2026

Apache Flink

Java 25,938 13,914 Updated Apr 18, 2026

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

Java 25,679 6,441 Updated Jul 16, 2024

Bind Android views and callbacks to fields and methods.

Java 25,398 4,563 Updated Sep 2, 2023

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

Java 25,334 4,445 Updated Apr 17, 2026

Jenkins automation server

Java 25,205 9,467 Updated Apr 18, 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 24,241 4,426 Updated Apr 17, 2026

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

Java 22,415 11,985 Updated Apr 16, 2026

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

Java 21,567 6,232 Updated Apr 17, 2026

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

Java 21,555 1,789 Updated Apr 17, 2026

RxJava bindings for Android

Java 20,046 2,941 Updated Mar 24, 2026

IntelliJ IDEA & IntelliJ Platform

Java 20,006 5,796 Updated Apr 19, 2026

Zipkin is a distributed tracing system

Java 17,431 3,103 Updated Apr 8, 2026
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