evoluspencil – The Sketching and GUI Prototyping addon for Firefox

The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.
Pencil will always be free as it is released under the GPL version 2 and is available for virtually all platforms that Firefox 3 can run.

Install evoluspencil in ubuntu

download .deb package from here once you have .deb package install by doubleclicking on it or run the following command from your terminal

sudo dpkg -i evolus-pencil_1.2-1_i386.deb

Screenshot

Via Ubuntulife

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