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marvelapp

Simple design, prototyping and collaboration

invisionapp

Powerful design prototyping tools

Adobe XD

Introducing Adobe XD. Design. Prototype. Experience.

5百丁

中国领先的PPT模板共享平台

tretars

The best free Mockups from the Web

PPTMind

分享高端ppt模板与keynote模板的数字作品交易平台

PPT+

PPT加直播、录制和分享—PPT+语音内容分享平台

优品PPT

高质量的模版，而且还有PPT图表，PPT背景图等资源

publicdomainarchive

New 100% Free Stock Photos. Every. Single. Week.

Jeshoots

Download my free, unique and high-res thematic photos!

mmtstock

Free photos for commercial use

imcreator

A curated collection of free web design resources, all for commercial use.