This is our second roundup of fresh professional gui sets that are available free of charge. Most of the kits below meet the necessary web requirements including current trends. So majority of them are made in a flat style. You will find components both for website and application designs that are spiced up with bright colors. Also there are sets that radiate neatness and accuracy of iOS7 style.
I hope you find something useful. Enjoy and Good Luck!
2. Lucent UI
17. PINK UI KIT