Ngraph is a free and open source graph application for Linux, Windows and MacOS. It is released under GNU General Public License v2.0 license. Using this application you can create beautiful scientific 2 dimensional graphs for your studies and other works. It is very useful application for researchers and engineers. You can export the graphs in PostScript, SVG, PNG or PDF format. It comes with frame, section and cross graph supports.
Ngraph is available as a snap package on Ubuntu. Open the terminal software (ctrl+alt+t) and run this Ngraph snap command to unistall it on Ubuntu.
sudo snap install ngraph-gtk-htrb
Enter your Ubuntu password to confirm the installation. Now you can open from applications menu.
You can also install it via the below command if you don’t like snap.
sudo apt update
sudo apt install ngraph-gtk