Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路）

Spring Framework

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

Apache Pulsar - distributed pub-sub messaging system

Very spicy additions to the Java programming language.

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

📲cim(cross IM) 适用于开发者的分布式即时通讯系统

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

Pentaho Data Integration ( ETL ) a.k.a Kettle

Apache Storm

Statistical Machine Intelligence & Learning Engine

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…

Camunda 7 CE is End of Life (EoL). Please check out Camunda 8 instead (https://github.com/camunda/camunda) or read about Camunda 7 Enterprise End of Life (https://camunda.com/blog/2025/02/camunda-7…

JAVA WEB + ORM Framework

LibRec: A Leading Java Library for Recommender Systems, see

Afinal是一个android的ioc，orm框架，内置了四大模块功能：FinalAcitivity,FinalBitmap,FinalDb,FinalHttp。通过finalActivity，我们可以通过注解的方式进行绑定ui和事件。通过finalBitmap，我们可以方便的加载bitmap图片，而无需考虑oom等问题。通过finalDB模块，我们一行代码就可以对android的sqli…

T-io is a network programming framework developed based on Java AIO. From the collected cases, t-io is widely used for IoT, IM, and customer service, making it a top-notch network programming frame…

a 2d Java physics engine, native java port of the C++ physics engines Box2D and LiquidFun

CloudSim: A Framework For Modeling And Simulation Of Cloud Computing Infrastructures And Services

A software library of stochastic streaming algorithms, a.k.a. sketches.

Java language server using the Java compiler API

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java decaptcha

Test different expression engine's performance (Including AviatorScript, MVEL, QLExpress, etc.)