这篇文章收集了50+UI设计PSD源文件，对于那些正在寻求设计帮助的设计师来说绝对是非常棒的资源。当然在文章最后有几个是要收费的，点击图片链接至下载页面。
转载请注明来自紫萝卜
Free Elements
Transparent Glass UI: Free PSD for User Interface Design
Freebie: Modern UI Pack Photoshop PSD
Freebie: Massive Web UI & Button Set
Web UI Treasure Chest v1.0
Web Form Elements
Web Form Elements Vol.2
Got Wood? UI Design Elements
Snow UI Kit
Dark Mysterious Web Elements
Black UI Kit
Moonify UI
Blue and White GUI Kit
Black UI Elements
“Grayness” UI Kit
Solid UI Kit
Dark UI Element Set
E-Commerce Steps UI
“Calligraphy” GUI Elements
“Sepia” UI Elements
Bloom UI Kit
Apple Styled UI Elements
Textured Alerts
Header & Navigation Pack
Simple UI Elements
Pretty Little Search Fields
Add to Cart Buttons
Simple Tabbed Navigation
Dark Button Navigation 2
Transparent Tooltips
Neat Sliders – Free PSD
Minimalist Horizontal Navigation
Sleek Dropdown Menu
Fancy Slider & Toggles
A Minimalist Calendar Widget
Form Goodness Kit
Green Contact Form
Modal Box Contact Form
Login Form PSD
Quick Sign In Form
Vintage Newsletter Form
A Clean Login Box
All In One Web Elements Kit
Victor Elements
Mini Gallery
Wraps and Ribbons Pack
Design Elements
Big Block UI
Freebie: Modern Web UI Set
Light UI Elements
Spring GUI
Web Elements
Video Player
Premium ElementsGlorious Colors UI Kit ($6)
Glowing UI Kit ($5)
Minimalist Slider Creator ($4)
Stitched Web Elements ($5)
Subtle Web Elements II ($5)
Minimalist White Web Elements v3 ($3)
Web Elements Pack ($5)
