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《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

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

Free and Open Source, Distributed, RESTful Search Engine

Everything you need to know to get the job.

All Algorithms implemented in Java

Spring Framework

Google core libraries for Java

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

Free universal database tool and SQL client

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

🔥 Android developers should collect the following utils(updating).

A browser automation framework and ecosystem.

Mirror of Apache Kafka

Open Source Identity and Access Management For Modern Applications and Services

a fast, scalable, multi-language and extensible build system

Jenkins automation server

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

Learn System Design concepts and prepare for interviews using free resources.

JDK main-line development https://openjdk.org/projects/jdk

MyBatis SQL mapper framework for Java

IntelliJ IDEA Community Edition & IntelliJ Platform

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

A fast dependency injector for Android and Java.

Modular and customizable Material Design UI components for Android

⚡ Workflow Automation Platform. Orchestrate & Schedule code in any language, run anywhere, 500+ plugins. Alternative to Zapier, Rundeck, Camunda, Airflow...

The official home of the Presto distributed SQL query engine for big data

Most popular Mocking framework for unit tests written in Java

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

Arduino IDE 1.x