Most popular java repositories and open source projects

Java was originally developed as an alternative to the C/C++ programming languages. It is now mainly used for building desktop, Android, and web server applications. Java is owned and licensed through Oracle.

bitcoin-wallet

Bitcoin Wallet app for your Android device. Standalone Bitcoin node, n...

2118 3856 3856

Context-Menu.Android

You can easily add awesome animated context menu to your app.

971 3845 3845

ripme

Downloads albums from the web in bulk for archive purposes

632 3814 3814

Effective-Java-3rd-edition-Chinese-English-bilingual

Effective Java（第3版）各章节的中英文学习参考（已完成）

989 3808 3808

one-day-one-language

Cómo dar en un día tus primeros pasos en cada lenguaje de programación...

161 3789 3789

jabref

Graphical Java application for managing BibTeX and biblatex (.bib) dat...

2683 3775 3775

mpush

MPush开源实时消息推送系统

1456 3767 3767

xCrash

🔥 xCrash provides the Android app with the ability to capture java cr...

621 3765 3765

syncthing-android

Wrapper of syncthing for Android.

442 3765 3765

OpenPDF

OpenPDF is a free Java library for creating and editing PDF files, wit...

624 3749 3749

My-Blog

:palm_tree::octocat:A simple & beautiful blogging system implemented w...

998 3743 3743

blurkit-android

The missing Android blurring library. Fast blur-behind layout that par...

311 3741 3741

Folia

Fork of Paper which adds regionised multithreading to the dedicated se...

484 3738 3738

crate

CrateDB is a distributed and scalable SQL database for storing and ana...

524 3713 3713

Terasology

Terasology - open source voxel world

1344 3710 3710

atmosphere

Event Driven WebSockets Framework with Cross-Browser Fallbacks

755 3709 3709

cordova-android

Apache Cordova Android

1548 3701 3701

Ehviewer

EhViewer overhauled with Material Design 3, Jetpack Compose and more

158 3700 3700

ByteLegend

Enjoy programming while playing a game.

143 3692 3692

NullAway

A tool to help eliminate NullPointerExceptions (NPEs) in your Java cod...

300 3687 3687

microservices-demo

Deployment scripts & config for Sock Shop

2850 3675 3675

shopizer

Shopizer java e-commerce software

3060 3656 3656

sofa-jraft

A production-grade java implementation of RAFT consensus algorithm.

1161 3655 3655

pdfsam

PDFsam, a desktop application to split, merge, mix, rotate PDF files a...

355 3634 3634

Spotlight

Android Library that lights items for tutorials or walk-throughs etc.....

365 3633 3633

light-4j

A fast, lightweight and more productive microservices framework

637 3632 3632

chatgpt-java

ChatGPT Java SDK。支持 GPT-4o、 GPT4 API。开箱即用。An unofficial Java...

714 3629 3629

undertow

High performance non-blocking webserver

1010 3627 3627

JCTools

569 3622 3622

RoaringBitmap

A better compressed bitset in Java: used by Apache Spark, Netflix Atla...

565 3618 3618

tablesaw

Java dataframe and visualization library

647 3602 3602

helidon

Java libraries for writing microservices

568 3593 3593

grpc-spring

Spring Boot starter module for gRPC framework.

844 3586 3586

fernflower

Unofficial mirror of FernFlower Java decompiler (All pulls should be s...

668 3581 3581

spock

The Enterprise-ready testing and specification framework.

471 3574 3574

parceler

:package: Android Parcelables made easy through code generation.

272 3548 3548

learning-note

Java开发及面试（个人面试、工作总结、资料收集站）

657 3508 3508

libstreaming

A solution for streaming H.264, H.263, AMR, AAC using RTP on Android

1078 3501 3501

camunda

Process Orchestration Framework

639 3492 3492

spring-cloud-kubernetes

Kubernetes integration with Spring Cloud Discovery Client, Configurati...

1038 3487 3487

akhq

Kafka GUI for Apache Kafka to manage topics, topics data, consumers gr...

678 3483 3483

android-hidden-api

A library that provides access to Android hidden APIs and internal res...

643 3481 3481

kubernetes-client

Java client for Kubernetes & OpenShift

1477 3468 3468

AndroRAT

A Simple android remote administration tool using sockets. It uses jav...

1075 3467 3467

immutables

Annotation processor to create immutable objects and builders. Feels l...

281 3463 3463

lilishop

商城 JAVA电商商城多语言商城 uniapp商城微服务商城

951 3458 3458

SurveyKing

Make a better survey system.

515 3447 3447

logging-log4j2

Apache Log4j is a versatile, feature-rich, efficient logging API and b...

1647 3439 3439

pants

The Pants Build System

651 3433 3433

AlgoDS

Implementation of Algorithms and Data Structures, Problems and Solutio...

610 3432 3432