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#1 Locally hosted web application that allows you to perform various operations on PDF files
🏆Gitee 最有价值开源项目 🚀:100: 小而全而美的第三方登录开源组件。目前已支持Github、Gitee、微博、钉钉、百度、Coding、腾讯云开发者平台、OSChina、支付宝、QQ、微信、淘宝、Google、Facebook、抖音、领英、小米、微软、今日头条、Teambition、StackOverflow、Pinterest、人人、华为、企业微信、酷家乐、Gitlab、美团、饿…
The official home of the Presto distributed SQL query engine for big data
Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.
Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.
vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
mini-spring是简化版的spring框架，能帮助你快速熟悉spring源码和掌握spring的核心原理。抽取了spring的核心逻辑，代码极度简化，保留spring的核心功能，如IoC和AOP、资源加载器、事件监听器、类型转换、容器扩展点、bean生命周期和作用域、应用上下文等核心功能。
Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.
一本关于排序算法的 GitBook 在线书籍 《十大经典排序算法》，多语言实现。
QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developers’ productivity in different business scenes.
Ant Media Server is a live streaming engine software that provides adaptive, ultra low latency streaming by using WebRTC technology with ~0.5 seconds latency. Ant Media Server is auto-scalable and …
C-OCR是携程自研的OCR项目，主要包括身份证、护照、火车票、签证等旅游相关证件、材料的识别。 项目包含4个部分，拒识、检测、识别、后处理。
A Java library for zip files and streams
Diff Utils library is an OpenSource library for performing the comparison / diff operations between texts or some kind of data: computing diffs, applying patches, generating unified diffs or parsin…
🎏 Simple showcases of java concurrency problems, seeing 🙈 is believing 🐵
【停止维护】基于Xmpp协议的即时通讯社交软件(客户端+服务端)Open source one last year to write their own Xmpp based on the agreement of the instant messaging social software (client + server)
开源 MQTT 服务器(基于reactor-netty实现高性能的、可扩展、支持千万级设备接入集群）支持 mqtt 3.1.1、mqtt 5等协议
Java + Netty 实现的高并发高可用MQTT服务broker，轻松支持10万并发(有群友实现了130万在线)
Java extension plugin and hot swap plugin（Java 扩展点/插件系统，支持热插拔，旨在解决大部分软件的功能定制问题）
Lightweight distributed log label tracking framwork
⭐⭐⭐⭐JVM内存结构GC分析 如何配置生产的JVM参数 你其实更需要