Here on TechClient, everyday we present free best (HQ) resources for your web design & graphic design projects. Today we are going to share Free Flat UI Kit Bootstrap Template PSD. In this post we present Free Flat UI Kit Bootstrap Template PSD that presented by Adrian. The Flat UI is made on the basis of Bootstrap, a comfortable and functional framework that simplifies the development of websites. The framework has been proven over the years by developers from around the world.