龟小白

Material icons

Access over 900 material system icons, available in a variety of sizes and densities, and as a web font.

UICloud

The largest user interface design database in the world.

flaticon

634,000+ Free vector icons in SVG, PSD, PNG, EPS format or as ICON FONT.

easyicon

PNG、ICO、ICNS格式图标搜索、图标下载服务

IcoMoonApp

Icon Font, SVG, PDF & PNG Generator

FindIcons

Search through 300,000 free icons

Icon Archive

Search 590,912 free icons

iconmonstr

Free simple icons for your next project

iconfont

阿里巴巴矢量图标库

Iconfinder

2,100,000+ free and premium vector icons.

Really Good UX

A library of screenshots and examples of really good UX. Brought to you by

navnav

A ton of CSS, jQuery, and JavaScript responsive navigation examples, demos, and tutorials from all over the web.