Pencil is available in many different types of packaging for available desktop operating systems. We are trying our best to make Pencil available to as many platforms as possible.

ExtJS Neptune Stencils to create ExtJS GUI mockup with Neptune theme. Developed by Pencil team. For a full list of available stencil collections, please visit the Google Code stencil download page for …

Pencil is built for the purpose of providing a free and open-source GUI prototyping tool that people can easily install and use to create mockups in popular desktop platforms.

Pencil provides various built-in shapes collection for drawing different types of user interface ranging from desktop to mobile platforms. Starting from 2.0.2, Pencil is shipped with Android and iOS UI …

After being installed into Pencil, a stencil can be used to create shapes by dragging it into the drawing pane of a page. When a stencil is dropped into a page, the following actions will be taken by Pencil …

Developing Pencil stencil collections requires no special tools. What you need is just a text editor and for distribution, you need just a compatible archiving tool that can create ZIP files.

To help Stencil developers define how the content in shapes can be changed to be reflect shape's properties, Pencil provides the Behavior concept. With behaviors, attributes or content of the target …

Pencil V3 is a rewrite of Pencil that aims to fix major performance and scalability issues of the application. The new version is under heavy development and we are at final steps to have a GA build.

Pencil introduces the concept of Action in which stencil developers can define a routine to perform calculation and make changes to properties in a batch. The following example show how an Action is …

Drawing Images A Pencil shape may contain some bitmap images. This tutorial will show how to embed an image to a stencil. Suppose that we have a bitmap image of a hand and we would like to create a …