UI Kits are those elements of design which are responsible for the user interface of any applications. Buttons, info boxes, text fields, input fields, dropdowns, progress bars, I`m sure you know them all and I`m sure you`re seeing them everyday in apps like online email services as gmail, yahoomail, etc, admin panels, or any website you`re surfing on, but I want to present you another 40 amazing U
![40 Free PSD UI Kits for Your Web Applications](https://cdn-ak-scissors.b.st-hatena.com/image/square/9833458ea510e4c07c9db7ef33a4179e2538d411/height=288;version=1;width=512/https%3A%2F%2Fdeliciousthemes.com%2Fwp-content%2Fuploads%2F2011%2F09%2Fmoonify-1.jpg)