《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version ongoing

Design patterns implemented in Java

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

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）

Free and Open Source, Distributed, RESTful Search Engine

Everything you need to know to get the job.

All Algorithms implemented in Java

Spring Framework

Ghidra is a software reverse engineering (SRE) framework

#1 Locally hosted web application that allows you to perform various operations on PDF files

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

Termux - a terminal emulator application for Android OS extendible by variety of packages.

A browser automation framework and ecosystem.

Mirror of Apache Kafka

Open Source Identity and Access Management For Modern Applications and Services

APM, Application Performance Monitoring System

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

🔥🔥🔥AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

QuestDB is a high performance, open-source, time-series database

Apache Druid: a high performance real-time analytics database.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Universal File Online Preview Project based on Spring-Boot

Generate diagrams from textual description

🔎 Open source distributed and RESTful search engine.

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

Test Automation Made Simple

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.

Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.