Viewport Sizes and Pixel Densities for Popular Devices
字节出品，通过技术驱动矢量图标样式的开源图标库。
能和sketch比肩的在线设计工具
simple online GIF maker and toolset for basic animated GIF editing.
边玩游戏边学习flexbox属性
Optimize your images with a perfect balance in quality and file size.
Android 9-patch shadow generator fully customizable shadows
