Free super flat UI kit containing several web design elements (video players, forms, buttons, etc.). Free PSD released by Riki Tanone.
Free PSD UI Kits
This free PSD is a set of dark audio UI elements that can help you prototype some nice designs for your music related apps or websites.
User interface of Microsoft Surface RT device. Free PSD and AI vector files designed by Erik K. They are really well made!
UI kit on leather texture. Free PSD containing three buttons, one app icon, zip chain, and some UI elements that you can freely use.
Today on 365psd there’s a free PSD containing a basic transparent UI kit with buttons, toggles, alert messages and a media controller.
Metrostyle Web UI is a modern interface that adapts to any web using standard components and its 5 different color combinations. Free PSD.
Dark/green UI kit containing buttons, switches, toggles, search field, checkboxes, pagination buttons. Free PSD designed by Blackjamun.
Dark UI kit containing buttons, checkboxes, toggles, dropdowns, search fields, text fileds, sliders. Free PSD designed by Vinny Singh.
This Blue UI (user interface) kit includes everything from checkboxes, radio buttons, and toolbars, to search boxes and tooltips.
A complete UI kit containing iOS6 iTunes and App Store. There is the alpha version of the vector & Retina-sized. Free PSD.