Futurico UI is the one of world’s biggest user interface elements pack. It is a free pack of full pack for your design.
Name: UI Elements
Homepage: designmodo
License: Creative Commons Attribution 3.0
File Type: PSD
The PSD file extension is used for PhotoShop Designated file – native Adobe Photoshop graphic file formats that takes up less memory than uncompressed TIF files. Saves masks, layers, clipping paths, a channels with the graphic. Not a recognized import file for all programs. PSD is commercial file format