扁平化设计的流行，源于它简约的设计态度。扁平设计去除所有多余的元素和功能，在网页设计，如图形，声音，渐变，3D元素，阴影效果等，可以使设计看起来紧凑和充满吸引力。在这篇文章中，我收集了30个免费的扁平化设计PSD素材，这些对设计师很有用。
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
