An open-source GUI prototyping tool that's available forALL 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 is3.1.1 which contains stability fixes and many new features. More details can be found in therelease notes.

Project News

Jan 1, 2023 Pencil 3.1.1 is releasedreleased.

Oct 19, 2019 Pencil 3.1.0 is releasedreleased.

Jun 27, 2017 Pencil 3.0.4 is releasedreleased.

Jun 06, 2017 Pencil 3.0.3 is releasedreleased.

May 11, 2017 Pencil 3.0.2 is releasedreleased.

Feb 20, 2017 Pencil 3.0.0 GA is nowreleased.

Feb 09, 2017 Pencil 3.0.0 rc2 isavailable for testing.

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