#Java

LibrePDF

OpenPDF

★ 4,373

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

google

open-location-code

★ 4,361

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

jitsi

jitsi

★ 4,343

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

lilishop

lilishop

★ 4,317

Java 开源商城系统，基于 Spring Boot / Spring Cloud / Vue / Uniapp 的 B2B2C 多商户商城源码，支持小程序商城、微服务、分销、直播、秒杀、Docker 私有化部署。

camunda

camunda

★ 4,303

Process Orchestration Framework

JFormDesigner

FlatLaf

★ 4,298

FlatLaf - Swing Look and Feel (with Darcula/IntelliJ themes support)

bingoogolapple

BGARefreshLayout-Android

★ 4,282

多种下拉刷新效果、上拉加载更多、可配置自定义头部广告位

DependencyTrack

dependency-track

★ 4,246

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

jboss-javassist

javassist

★ 4,230

Java bytecode engineering toolkit

lukas-krecan

ShedLock

★ 4,224

Distributed lock for your scheduled tasks

aws

aws-sdk-java

★ 4,201

The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/

tronprotocol

java-tron

★ 4,165

Java implementation of the Tron whitepaper

bingoogolapple

BGABanner-Android

★ 4,156

引导界面滑动导航 + 大于等于1页时无限轮播 + 各种切换动画轮播效果

nageoffer

ragent

★ 4,150

企业级 Agentic RAG 智能体 - 全链路覆盖文档解析、多路检索、意图识别、问题重写、会话记忆、MCP 工具调用与深度思考。面向真实业务场景，从 0 到 1 完整工程实现。

RipMeApp

ripme

★ 4,128

Downloads albums from the web in bulk for archive purposes

uber

NullAway

★ 4,112

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead.

jetty

jetty.project

★ 4,096

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

knowm

XChange

★ 4,081

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

apache

tika

★ 4,079

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

Dimezis

BlurView

★ 4,059

Dynamic iOS-like blur of underlying Views for Android