扁平化設計的流行，源于它簡約的設計態度。扁平設計去除所有多余的元素和功能，在網頁設計，如圖形，聲音，漸變，3D元素，陰影效果等，可以使設計看起來緊湊和充滿吸引力。在這篇文章中，我收集了30個免費的扁平化設計PSD素材，這些對設計師很有用。

1. FREE User Interface with Cold Colors

(http://www.techandall.com/user-interface-ui-kit-with-cold-colors-psd/)

2. 45 Long Shadow Social Media Icons

(http://dribbble.com/shots/1147152-45-Long-Shadow-Social-Media-Icons-Free-Psd)

3. iPhone Front View (fireworks Vector)

(http://dribbble.com/shots/1156174-Day-1-Free-a-project-each-an-everyday-fireworks-project)

4. FlexIcons Free PSD

(http://dribbble.com/shots/1174476-FlexIcons-Free-PSD)

5. Social network flat style header

(http://www.tempees.com/free-download/social-network-header-small-kit)

6. Message Widget

(http://dribbble.com/shots/1171091-Message-Widget)

7. Boldy, Minimal one-page Portfolio

(http://dribbble.com/shots/1168356-Boldy-Minimal-one-page-Portfolio)

8. PSD & CSS Button State Workfiles

(http://dribbble.com/shots/1167728-PSD-CSS-Button-State-Workfiles)

9. Camera And Video Camera Icons

(http://dribbble.com/shots/1168127-Camera-And-Video-Camera-Icons)

10. Flat Tabbed Content Freebie

(http://dribbble.com/shots/1162119-Flat-Tabbed-Content-Freebie)

#p#

11. Flat Devices

(http://dribbble.com/shots/1162544-Flat-Devices)

12. Free Flat UI Kit

(http://www.behance.net/gallery/Free-Flat-UI-Kit/9819319)

13. Flattastic Free

(http://dribbble.com/shots/1163553-Flattastic-Free)

14. 24 Free Skinny Icons

(http://dribbble.com/shots/1163804-24-Free-Skinny-Icons)

15. Calm – Free Creative Simple Portfolio & Blog PSD

(http://www.behance.net/gallery/Calm-l-Free-Creative-Simple-Portfolio-Blog-PSD/9953475)

16. Acrostia – free one page PSD

(http://outlinez.net/acrostia-free-one-page-psd-template/)

17. Login Dialog Freebie

(http://dribbble.com/shots/1153084-Login-Dialog-Freebie)

18. Gmarellile Flat Icons Free

(http://www.behance.net/gallery/Gmarellile-Flat-Icons-Vol20-For-FREE/10089055)

19. Free Activity feed with PSD

(http://dribbble.com/shots/1160331-Free-Activity-feed-PSD)

20. Flat Web Elements .PSD

(http://www.techandall.com/flat-web-elements-psd/)

#p#

21. Free Flat Vector Icons

(http://medialoot.com/item/free-flat-vector-icons/)

22. PSD – Color Picker

(http://dribbble.com/shots/1143676-PSD-Color-Picker)

23. Sign in – Flat design – Free PSD

(http://www.behance.net/gallery/Sign-in-Flat-design-Free-PSD/10064339)

24. Gmarellile Flat Long Shadow Icons Collections

(http://www.behance.net/gallery/Gmarellile-Flat-Icons-Collections/9955159)

25. Music App History Screen

(http://dribbble.com/shots/1141906--psd-freebie-Music-App-History-Screen)

26. Freebie .psd – Code Editor – Light

(http://dribbble.com/shots/1137366-Freebie-psd-Code-Editor-Light)

27. Color Picker UI (FREE PSD)

(http://dribbble.com/shots/1134399-Color-Picker-UI-FREE-PSD)

28. iOS UI Kit Freebie

(http://dribbble.com/shots/1134470-iOS-UI-Kit-Freebie)

29. Musicplayer with PSD

(http://dribbble.com/shots/1128318-Musicplayer)

30. 15 free flat devices

(http://www.danielchitu.com/mobiledesignkit.html)