Inkscape is a free and open-source vector graphics editor. This software can be used to create or edit vector graphics such as illustrations, diagrams, line arts, charts, logos and complex paintings. Inkscape’s primary vector graphics format is Scalable Vector Graphics (SVG); however, many other formats can be imported and exported.
If you want to install Inkscape on Ubuntu, use below commands,
$ sudo add-apt-repository ppa:inkscape.dev/stable
$ sudo apt-get update
$ sudo apt-get install inkscape
If you face any issues like unmatched dependencies, use below command to resolve those and again try to install inkspace,
$ sudo apt --fix-broken install
$ sudo apt-get install inkscape
Now on terminal, you can start inkscape application as,
$ inkscape
Reference – https://en.wikipedia.org/wiki/Inkscape