Ade Malsasa Akbar contact
Senior author, Open Source enthusiast.
Monday, May 11, 2015 at 15:17

Evolus Pencil is an open source GUI prototyping software that's available on Linux, Windows, and Mac OS X. In other words, Evolus Pencil is a UI mockup design tool for Ubuntu. I will show you how to install Evolus Pencil in Ubuntu 15.04. You can apply this tutorial to another version of Ubuntu.

1. Download Evolus Pencil Installer

You can obtain Pencil package in At the time I write this article, the URL is The package size is 4 MB. The package format is .deb. Save it in your Home directory.

Download Evolus Pencil Package

2. Install The Package

Open your Terminal (Ctrl+Alt+T). Default location for opened Terminal is Home directory, so you and your package are in the same location now. Then type command below.
sudo dpkg -i evoluspencil_2.0.5_all.deb
How To Type The Command
If Terminal asks you for password, type it anyway. You won't see any asterisk sign in Terminal. Then Terminal should show you output lines like picture below. If the last output message is Processing triggers for mime-support (3.58ubuntu1) ... then your package installation is finished successfully. This installation process doesn't need any internet connection.
Installation Process
Note: if you don't want to type the long package name, just type evo then press Tab. Terminal will automatically complete the long name.

3. Open Evolus Pencil

You can find Evolus Pencil by searching pencil in menu. Then start to create your mockup.

Evolus Pencil Interface