Pencil
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 stencils pre-installed. This makes it even easier to start protyping apps with a simple installation. Popular drawing features are also implemented in Pencil to simplify the drawing operations.
Tech Stack (2 technologies)
Frequently Asked Questions
What technologies does Pencil use?+
Pencil uses 2 technologies including Nginx, Java.
What industry is Pencil in?+
Pencil operates in the Desktop Apps industry.
Where is Pencil based?+
Pencil is headquartered in United States.
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Browse DatasetsData last updated: June 2026