HarmonyOS
https://www.harmonyos.com
Huawei HarmonyOS system is a full-scene distributed operating system for the interconnection of all things. Hongmeng system has been upgraded from 2.0 to Hongmeng Beta 3.0, supporting the operation of mobile phones, tablets, smart wearables, smart screens and other terminal equipment, and providing a one-stop service platform for application development and equipment development.
华为鸿蒙HarmonyOS系统是面向万物互联的全场景分布式操作系统，鸿蒙系统已从2.0升级更新至鸿蒙Beta 3.0，支持手机、平板、智能穿戴、智慧屏等多种终端设备运行，提供应用开发、设备开发的一站式服务的平台。
EulerOS
https://developer.huaweicloud.com/ict/cn/site-euleros/euleros
EulerOS is a high-security, highly scalable, high-performance, open enterprise Linux operating system platform that meets the needs of customers from traditional IT infrastructure to cloud computing services.
EulerOS是基于开源技术的开放的企业级Linux操作系统软件，具备高安全性、高可扩展性、高性能等技术特性，能够满足客户IT基础设施和云计算服务等多业务场景需求。