OpenHarmony

OpenAtom OpenHarmony, or abbreviated as OpenHarmony (OHOS), is an open-source version of HarmonyOS donated by Huawei to the OpenAtom Foundation. Similar to HarmonyOS, the open-source distributed operating system is designed with a layered architecture, which consists of four layers from the bottom to the top, i.e., the kernel layer, system service layer, framework layer, and application layer.

OpenHarmony
DeveloperVarious (OpenAtom Foundation, Huawei and others)
Written inC, C++, JS, ArkTS
OS familyLiteOS
Working stateCurrent
Source modelOpen source
Initial releaseSeptember 10, 2020 (2020-09-10)
Latest release4.0 / October 26, 2023 (2023-10-26)
Latest preview4.1 beta 1 / January 1, 2024 (2024-01-01)
Repositorygitee.com/openharmony
Marketing targetInternet of Things, Internet of vehicles, Edge computing, wireless routers, smartphones, tablet computers, smart TVs, smartwatches, smart speakers, personal computers, Laptops, mixed reality headsets, virtual reality headsets, wireless earbuds, wireless headphones, wearable devices, augmented reality headsets, smart printers, Interactive whiteboards, cars, smart homes, enterprise, industry, aerospace
Update methodOver-the-air
Package manager.app
PlatformsARM, RISC-V, x86, x64 and LoongArch
Kernel typeMultikernel (KAL (Kernel Abstract Layer subsystem) with Linux kernel, and LiteOS [LiteOS-A (OpenHarmony Lightweight Kernel) & LiteOS-M]) and add-ons
UserlandSystem Service Layer
LicenseApache license
Preceded byLiteOS
Official websiteopenharmony.cn
Support status
Supported

OpenHarmony supports various devices running a mini system such as printers, speakers, smartwatches and any other smart device with memory as small as 128 KB, or running a standard system with memory greater than 128 MB.

The system contains the basic and some advanced capabilities of HarmonyOS.

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