Application compatibility test suite | acts应用兼容性测试套
Development self-test framework | 开发者自测试框架
Window manager and compositor | 图形窗口合成器
Storing declaration files for JavaScript APIs | JavaScript API 公共仓，存放 d.ts 声明文件
We provide a series of app samples to help you quickly get familiar with the APIs and app development process of the OpenHarmony SDKs. | 为帮助开发者快速熟悉OpenHarmony SDK所提供的API和应用开发流程，我们提供了一系列的应用示例
ability_runtime | 元能力框架
OpenHarmony community governance, developer contribution guide, contribution agreement, and community communication | 包含OpenHarmony社区治理、开发者贡献指南、开发者贡献协议、社区交流等内容
Bundle management framework | 包管理框架
js_sys_module, 提供系统基础能力查询API，包括进程信息，CPU负载信息等 | Provide system basic ability query API, including process information, CPU load information, etc.
Inter-process communication (IPC) and Remote Procedure Call (RPC) | 跨进程通信与跨设备的远程过程调用
