A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）

Redisson - Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava/Reactive API. Over 50 Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache ...

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。

Enterprise job scheduling middleware with distributed computing ability.

Apache Storm

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

Flink CDC is a streaming data integration tool

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

A distributed single-sign-on framework.（分布式单点登录框架XXL-SSO）

🕊️ The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs

Distributed Java game server, including cluster management server, gateway server, hall server, game logic server, background monitoring server and a running web version of fishing. State machine, behavior tree, A* pathfinding, navigation mesh and other AI tools

基于区块链的符合W3C DID和Verifiable Credential规范的分布式身份解决方案

Mendmix定位是一站式分布式开发架构开源解决方案及云原生架构技术底座。Mendmix提供了数据库、缓存、消息中间件、分布式定时任务、安全框架、网关以及主流产商云服务快速集成能力。基于Mendmix可以不用关注技术细节快速搭建高并发高可用基于微服务的分布式架构。

A distributed web crawler framework.（分布式爬虫框架XXL-CRAWLER）

A lightweight distributed configuration management platform. （分布式配置管理平台XXL-CONF）

A high performance, distributed RPC framework.（分布式服务框架XXL-RPC）

A Multi-Tenancy MQTT broker adopting Serverless architecture

分布式任务调度平台(Distributed Job Schedule Platform)

这是一个轻量级的、一站式的java游戏服务器框架，也可用于开发简单的web服务。基于netty实现了高性能通讯，支持tcp、http、websocket等协议，支持protobuf、json两种数据格式，支持以配置的形式轻松开启多端口网络服务。支持RPC远程调用，支持以优雅的方式实现远程调用，支持调用超时重试、幂等调用。封装了持久化层，提供数据访问和数据落地接口，支持异步新增、保存、删除数据，支持主键或指定其他字段进行数据缓存。支持简单的ioc，业务层使用依赖注入实现逻辑。封装了伪协程实现方案Promise，可用于解决地狱式回调等问题。支持MVC、领域、ECS架构。

Java library for secure, distributed, P2P-based file synchronization and sharing.