The first public beta build of the new Pencil 3.0 is now available for testing. Learn more...

An open-source GUI prototyping tool that's available for ALL platforms.

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.

The latest stable version of Pencil is 2.0.5 with minor enhancements and bug-fixes.

Project News

June 04, 2015 Pencil 3.0.0 beta 1 is available fortesting.

November, 2015 Development for the new version of Pencil started.