I want to design a Windows 8/8.1 desktop application. Before going into the coding part, I want to create a mockup of the same. Balsamiq would satisfy my need to some extent, but I need something on the lines of Pencil, wherein one could drag and drop stuff into the frame to create a compete design.
Issue with Balsamiq: It offers no special help while creating a Windows app. In Pencil, you could drag/drop a notification-bar, a button etc. (Android) and the app can be made to look exactly as it would after completion.
I’d like a solution for Windows or Linux. A cross-platform tool would be a bonus, though not very necessary.