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

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, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, 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.（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

A scalable, mature and versatile web crawler based on Apache Storm

A lightweight web crawler framework.（Java爬虫框架）

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。

BifroMQ(Incubating) is a high-performance, distributed MQTT broker implementation that seamlessly integrates native multi-tenancy support. It is designed to support building large-scale IoT device connections and messaging systems.

A configuration center and service registry.（一站式服务管理平台，配置中心&注册中心，XXL-CONF）

A RPC service development framework.（RPC服务框架XXL-RPC）

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

Universal, flexible, high-performance distributed ID generator. | 通用、灵活、高性能的分布式 ID 生成器