Vectr in an amazing free and powerful cross-platform graphic software that you'll love to use.Even if you're not a designer, designing in Vectr is easy and fun to do.
-Easy to learn
-Real time sharing
How to Install Vectr?
You can either download and install the desktop version via commands below, or you can use the web version which is identical as the desktop app.
Install Vectr on Arch Linux
Install Vectr on Ubuntu
sudo snap install vectr
Learn more about Vectr here : https://vectr.com