# Application Development - [Application Development Overview](application-dev-guide.md) - [DevEco Studio \(OpenHarmony\) User Guide](quick-start/deveco-studio-user-guide-for-openharmony.md) - [Directory Structure](quick-start/package-structure.md) - [Getting Started](quick-start/start.md) - [ArkUI](ui/ui-arkui.md) - [JavaScript-based Web-like Development Paradigm](ui/ui-arkui-js.md) - [TypeScript-based Declarative Development Paradigm](ui/ui-arkui-ts.md) - [Media](media/Readme-EN.md) - [IPC & RPC](connectivity/ipc-rpc.md) - [DFX](dfx/Readme-EN.md) - [Development References](reference/Readme-EN.md) - [JavaScript-based Web-like Development Paradigm](reference/arkui-js/Readme-EN.md) - [TypeScript-based Declarative Development Paradigm](reference/arkui-ts/Readme-EN.md) - [APIs](reference/apis/Readme-EN.md)