It’s very long since we post our last freebie, We were too busy building CSSAuthor Awesome. Finally, we managed to build something new for our friends. This time it’s a Free Sketch UI Design, we call it “QUK”. It’s completely designed in sketch, there is no photoshop version available. The source file is well layered and arranged for ease of use. You can grab the UI from below download link for free of cost.