UI中国
图形交互与界面设计交流、作品展示、学习平台。
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快图网
快图网提供免费的PNG元素和高清背景图片素材免费下载
图虫图库
海量图库,涵盖创意图片和矢量素材等
lifeofpix
Free high resolution photography
90设计
电商设计（淘宝美工）千图免费淘宝素材库
我图网
我图网,提供图片素材及模板下载,专注正版设计作品交易
Simpleline Icons
Simple line Icons pack
pixeden
free web resources and graphic design templates.
Urban Fonts
Download Free Fonts and Free Dingbats.
PrincipleRepo
Free, High Quality Principle Resources
UIkit.me
最便捷新鲜的uikit资源下载网站
昵图网
原创素材共享平台
千图网
专注免费设计素材下载的网站
Font Awesome Icon
The complete set of 675 icons in Font Awesome
Icon Archive
Search 590,912 free icons
iconfont
阿里巴巴矢量图标库
5百丁
中国领先的PPT模板共享平台
tretars
The best free Mockups from the Web
优品PPT
高质量的模版，而且还有PPT图表，PPT背景图等资源
OfficePLUS
OfficePLUS，微软Office官方在线模板网站！
publicdomainarchive
New 100% Free Stock Photos. Every. Single. Week.
hdwallpapers
High Definition Wallpapers & Desktop Backgrounds
jeshoots
New Free Photos & Mockups in to your Inbox!
skitterphoto
a place to find, show and share public domain photos
skitterphoto
Free Stock Photos for Creative Professionals
imcreator
A curated collection of free web design resources, all for commercial use.
gratisography
Free high-resolution pictures you can use on your personal and commercial projects, free of copyright restrictions.
freenaturestock
Exclusive mindblowing freebies for designers and developers
thestocks
Use our FREE photos to tell your story!
papers
Wallpapers Every Hour!Hand collected :)