WireframeSketcher for Ubuntu and Debian (32-bit) is a software tool that helps you to create wireframes, mockups, and prototypes for desktop, web, and mobile applications. It comes both as a plugin for your Eclipse-based IDE and a standalone application. WireframeSketcher comes with an extensive set of widgets. You will find buttons, checkboxes, trees, tables, you name it. Widget data can be quickly edited in-place. Widgets are very flexible and can be customized using properties or by applying wiki syntax directly in text. WireframeSketcher comes with more than 140 icons.
What's new in version 3.9.1
Version 3.9.1 has added rotation and flip properties for Image widget and fixed the error caused by image files without an extension.