《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

Free and Open Source, Distributed, RESTful Search Engine

Everything you need to know to get the job.

Google core libraries for Java

Getting Started with Spring Boot 3:

Netty project - an event-driven asynchronous network application framework

an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.

🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.

Apache Flink

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

APM, Application Performance Monitoring System

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

A Java serialization/deserialization library to convert Java Objects into JSON and back

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

IntelliJ IDEA & IntelliJ Platform

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

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

High Performance Inter-Thread Messaging Library

🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.

Zipkin is a distributed tracing system

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

Graphs for Everyone

Apache Pulsar - distributed pub-sub messaging system

Apache Doris is an easy-to-use, high performance and unified analytics database.

The ZAP by Checkmarx Core project

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

Vert.x is a tool-kit for building reactive applications on the JVM

Style and Grammar Checker for 25+ Languages