Stars
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
Free universal database tool and SQL client
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
Netty project - an event-driven asynchronous network application framework
A browser automation framework and ecosystem.
Event Driven Orchestration & Scheduling Platform for Mission Critical Applications
APM, Application Performance Monitoring System
JDK main-line development https://openjdk.org/projects/jdk
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
光 HikariCP・A solid, high-performance, JDBC connection pool at last.
Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.
PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
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。
High Performance Inter-Thread Messaging Library
A high performance caching library for Java
🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.
QuestDB is a high performance, open-source, time-series database
The official home of the Presto distributed SQL query engine for big data
Apache Doris is an easy-to-use, high performance and unified analytics database.
Apache Pulsar - distributed pub-sub messaging system
Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience.
Logstash - transport and process your logs, events, or other data