阿里巴巴矢量图标库
iconfont-国内功能很强大且图标内容很丰富的矢量图标库，提供矢量图标下载、在线存储、格式转换等功能。阿里巴巴体验团队倾力打造，设计和前端开发的便捷工具
The largest user interface design database in the world.
Access over 900 material system icons, available in a variety of sizes and densities, and as a web font.
PNG、ICO、ICNS格式图标搜索、图标下载服务
The complete set of 675 icons in Font Awesome
2,100,000+ free and premium vector icons.
字节跳动图标库
