Recommended! Desktop component library for developers, designers and product managers

Provides screen size information parameters for various iPhone models

Website for mainstream device sizes, including Android, IOS, laptops, wearable devices, etc.

A complete list of commonly used device parameters, including device parameters for different models of mobile phones, tablets, and computers

Android Official Design and Planning Guide

Microsoft official design guidelines

Apple's official design documentation! Helps you design outstanding experiences for any Apple platform