Flat design is style of interface design from which stylistic choices of three dimensional images like shadows, gradients, or textures are removed. In Flat design basic and simple elements, flat colors, minimal designs and typography techniques are used. Flat User Interface Design are used in different graphical users. It is a minimalist aesthetic design language. In PSD templates UI Kits are there in just a single kit. These PSD flat design kits can easily download in modified and in organized Photoshop PSD files. Flat design is simple, easy and it allows interface designs that are smooth and proficient that’s why Designers may prefer flat designs. Here we display 10 Latest Flat UI with Modern UX PSD Kits for web and mobile user interface designing. These UI kits have layered psd files so if you want further changes in your designs you can edit it and get your desired design. These kits are user friendly, time saving and very easy to work with them. Here some Flat UI kits which are helpful for your theme, template and framework design.In this article we collect some of the latest web and mobile UI kits for designing. This great collection of flat design gathers from all over the web.