While detailing the requirement specification of a project that involves User Interface, often we need to quickly provide prototypes of the Graphic User Interface to meet the end customer’s purpose keeping in mind various techniques to improve your user interface. It definitely helps if you have a nice tool to quickly prototype of the GUI and validate with the customer before the implementation of the GUI. There are many commercial tools available for wire framing and GUI prototyping. There is a free open source tool available under the GPL version 2 for making diagrams and GUI prototyping easy to everyone.
The Pencil is a unique tool build as a free and open source tool for making diagrams and GUI prototyping that everyone can use. It has some nice features that give a touch competition to the commercially available ones.
- Built-in stencils for diagramming and prototyping
- Multi-page document with background page
- Inter-page linkings!
- On-screen text editing with rich-text supports
- Exporting to HTML, PNG, Openoffice.org document, Word document and PDF.
- Undo/redo supports
- Installing user-defined stencils and templates
Standard drawing operations: aligning, z-ordering, scaling, rotating…
- Adding external objects
- Personal Collection
- Clipart Browser
- And much more…
Download the software here for free.